Thursday, 21 March 2019

Chemistry 2nd Year Chapter Wise Solved Notes

Chemistry MCQs Solved Notes Chapter Wise Here i am sharing chapter 1 to Chapter 8 all punjab board exams MCQs. Chemistry 12th Class Many of the students of F.Sc have needed important objective types notes for the final exams preparations. So, I am sharing due to easy way learning by these important MCQs Quiz Questions with Solved answers of 12th Class Chapter Wise Multiple Choice Questions with solutions.

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Chemistry Chapter 1 to 8 Solved MCQs

All solved 2nd year Chemistry Notes MCQs in Quiz Tests Here.If you have need 12th class chemistry notes and short questions notes chapter wise then you are at right page because here we have provided the 2nd year Chemistry Chapter wise Notes. All MCQs are solved with Answers here.

12th Class Chemistry MCQs Chapter 1 Periodic Classification of Elements and Periodicity Punjab Board



Question 1: Which of the following is amphoteric oxide ?
  1. Na₂O
  2. Al₂O₃
  3. MgO
  4. SO₂
B
Question 2: Which of the highest melting point ?
  1. KCl
  2. RbCl
  3. CsCl
  4. NaCl
D
Question 3: The oxides of metals are generally ?
  1. Neutral
  2. Amphoteric
  3. Acidic
  4. Basic
D
Question 4: Select one of the following oxides which is not amphoteric in nature ?
  1. BeO
  2. Al₂O₃
  3. ZnO
  4. SO₂
D
Question 5: Ionic hydrides react with water to form ?
  1. Hydronium ion
  2. Proton
  3. Hydridie ion
  4. Hydroxide ion
D
Question 6: The 7th period of the period table contains normal elements ?
  1. 2
  2. 4
  3. 3
  4. 8
A
Question 7: Elements after uranium are called ?
  1. Halogens
  2. Transition elements
  3. Transuranic elements
  4. Chalcogens
C
Question 8: Lead monoxide is ?
  1. Amphoteric
  2. Neutral
  3. Basic
  4. Acidic
A
Question 9: Which of the following halides is polymeric ?
  1. CCl₄
  2. PCl₅
  3. AlCl₃
  4. NaCl
C
Question 10: Which of the following set has coinage in it ?
  1. Cu, Ag, Au
  2. Ag, Hg, Cu
  3. Cu, Hg, Au
  4. Fe, Cu, Au
A
Question 11: Which of the following is most acidic ?
  1. Cl₂O₅
  2. ClO₂
  3. Cl₂O₇
  4. Cl₂O
C
Question 12: Periodic table has been divided into four blocks, which blocks contain highest elements ?
  1. p
  2. S
  3. d
  4. f
A
Question 13: In a period, from left to right in the periodic table, the size of atom generally ?
  1. Decreases
  2. Increases
  3. None
  4. Remains constant
A
Question 14: Which of the following iso-electronic species have largest size ?
  1. O²⁻
  2. Na⁺
  3. N³⁻
  4. F¹⁻
D
Question 15: Which of the following is metalloid ?
  1. Antimony
  2. Zinc
  3. Sulphur
  4. Mercury
A
Question 16: 6th period of the periodic table contains normal elements ?
  1. 4
  2. 6
  3. 8
  4. 2
C
Question 17: Which of the following set has greater ionization energy ?
  1. Be
  2. B
  3. Li
  4. Na
A

12th Class Chemistry MCQs Chapter 2 S-Block Elements Punjab Board



Question 1: Keeping in view the size of atoms, which order is the correct one ?
  1. Lu > Ce
  2. Mg > Sr
  3. Ba > Mg
  4. Cl > I
C
Question 2: What is the chemical composition of Chile salt Petre ?
  1. NaNO₃
  2. KCl MgCl₂ . 6H₂O
  3. BaSO₄
  4. KCl
A
Question 3: Alkali and alkaline earth metals are ?
  1. Acidic
  2. Amphoteric
  3. Oxidising agent
  4. Reducing agent
D
Question 4: Plaster of Paris is not used ?
  1. for black chalk
  2. In surgery
  3. to make gypsum
  4. for making plaster wall
C
Question 5: Which of the following element is not present abundantly in earth’s crust ?
  1. Si
  2. Na
  3. O
  4. Al
B
Question 6: The oxides of beryllium are ?
  1. Amphoteric
  2. None of these
  3. Acidic
  4. Basic
A
Question 7: Chemical composition of colemanite is ?
  1. CaB₄O₇ . 4H₂O
  2. CaNaB₅O₉ . 8H₂O
  3. Ca₂B₆O₁₁ . 5H₂O
  4. Na₂B₄O₇ . 10H₂O
C
Question 8: Which one of the following is not an alkali metal ?
  1. Rubidium
  2. Radium
  3. Francium
  4. Cesium
B
Question 9: Potassium reacts with O₂ to form KO₂. Sodium reacts with oxygen to form ?
  1. Na₂O
  2. NaOH
  3. NaO₂
  4. Na₂O₂
D
Question 10: In which one of the following sets do all three particles have same number of total electrons (iso-electronic) ?
  1. F⁻, Cl⁻, B₁⁻
  2. N⁻³, O⁻², F⁻
  3. Na⁺, Mg⁺², K⁺
  4. L₁⁺, Na⁺, K⁺
B
Question 11: Which compound of silicon is used as filter in soap ?
  1. Silicones
  2. H₂SiO₃
  3. SiO₂
  4. Na₂SiO₃
D
Question 12: Which element is deposited at the cathode during the electrolysis of brin at cathode ?
  1. O₂
  2. H₂
  3. Cl₂
  4. Sodium
B
Question 13: Bone ash contain calcium phosphate ?
  1. 70%
  2. 40%
  3. 80%
  4. 50%
C
Question 14: Which one of the following element is extracted by electrolysis ?
  1. Nitrogen
  2. Iron
  3. Sulphur
  4. Sodium
D
Question 15: Elements of group IB are called ?
  1. Noble metals
  2. Alkali metals
  3. Coinage metals
  4. Alkaline earth metals
C
Question 16: The mineral CaSO₄ . 2H₂O has the general name ?
  1. Calcite
  2. Epsom salt
  3. Gypsum
  4. Dolomite
C
Question 17: Alkai metals are powderful reducing agent because ?
  1. their ionization potentials are low
  2. These are metals
  3. the are monovalent
  4. their ionic radii are large
A

12th Class Chemistry MCQs Chapter 3 Group IIIA Group IVA Elements Punjab Board



Question 1: Which of the following is not ore of aluminium ?
  1. Kaloine
  2. Bauxite
  3. Corundum
  4. Colemanite
D
Question 2: Moderate electrical conductivity is shown by ?
  1. Cabroundum
  2. Diamond
  3. Graphite
  4. Silica
C
Question 3: Which of the following is the formula of litharge ?
  1. Pb₃O₄
  2. PbO₂
  3. PbO
  4. Pb₂O₃
C
Question 4: Chemical composition of colemanite is ?
  1. CaB₄O₇ . 4H₂O
  2. Ca₂B₆O₁₁ . 5H₂O
  3. Na₂B₄O₇ . 4H₂O
  4. CaNB₄
B
Question 5: Which metal is used in the thermite process because of its activity ?
  1. Aluminum
  2. Iron
  3. Copper
  4. Zinc
A
Question 6: On increasing temperature electrical conductivity of boron ?
  1. Remains same
  2. Cannot be predicted
  3. Increases
  4. Decreases
D
Question 7: Which element from an ion with charge +3 ?
  1. Al
  2. Be
  3. C
  4. Si
A
Question 8: The element which exhibits maximum catenation property is ?
  1. Pb
  2. Sn
  3. Ge
  4. C
D
Question 9: Borax bead test is used for the identification of metal that form ?
  1. White salt
  2. Acidic salt
  3. Hydrated salts
  4. Coloured salt
D
Question 10: Boron is always found in nature combined with ?
  1. Oxygen
  2. Nitrogen
  3. Both (a) and (b)
  4. None
A
Question 11: Which one of the following halides is polymeric in nature ?
  1. NaCl
  2. PCl₅
  3. CCl₄
  4. AlCl₃
D
Question 12: Tincal is mineral of ?
  1. Si
  2. B
  3. C
  4. Al
B
Question 13: Aluminum oxide is ?
  1. Acidic acid
  2. Amphoteric oxide
  3. Basic oxide
  4. None of these
B
Question 14: Which one is no use of boric acid ?
  1. Glaze
  2. Antiseptic
  3. Lubricant
  4. Stiffening agent
C
Question 15: Which one of the following compounds is not organic in nature ?
  1. CCl₄
  2. CO₂
  3. CHCl₃
  4. HCHO
B
Question 16: Which of the following does not exist ?
  1. Al⁺³
  2. Ga⁺³
  3. In³⁺
  4. B⁺³
D
Question 17: Ortho-boric acid on strong heating to red heat gives ?
  1. Boron oxide
  2. Borax
  3. Tetraboric acid
  4. Metaboric acid
A

12th Class Chemistry MCQs Chapter 4 Group VA and Group VIA Elements Punjab Board



Question 1: The composition of Aqua Regla is ?
  1. HCl and HBr
  2. HCl and HF
  3. HCl and HNO₃
  4. HCl and H₂SO₄
C
Question 2: The substance which is attracted by the magnetic field is called ?
  1. Electromagnetic
  2. Diamagnetic
  3. Paramagnetic
  4. None
C
Question 3: Laughing gas is chemically ?
  1. NO
  2. N₂O₅
  3. N₂O
  4. NO₂
C
Question 4: Oxidation of NO in air produces ?
  1. N₂O
  2. N₂O₄
  3. N₂O₅
  4. N₂O₃
B
Question 5: Which of the following species has the maximum number of unpaired electrons ?
  1. O₂⁺²
  2. O₂⁻²
  3. O₂
  4. O₂
C
Question 6: Phosphorus helps the growth of ?
  1. Seed
  2. Leave
  3. Stem
  4. Root
A
Question 7: Which one of the following molecules is paramagnetic in nature ?
  1. N₂
  2. He
  3. H₂
  4. O₂
D
Question 8: When sugar is treated with conc. H₂SO₄ the sugar becomes black due to ?
  1. Hydr
  2. Hydrolysis
  3. Decolourization
  4. Dehyduration
D
Question 9: Which catalyst is used in contact process ?
  1. Fe₂O₃
  2. Ag₂O
  3. SO₃
  4. V₂O₅
D
Question 10: Which catalyst is used in lead chamber process ?
  1. Fe₂O₃
  2. (NO + NO₂)
  3. SO₃
  4. Ag₂O
B
Question 11: Most of the sulphuric acid is manufactured in world is by ?
  1. Dutch process
  2. Contact process
  3. Lead chamber process
  4. None of these
B
Question 12: Oxidation of NO in air produces ?
  1. N₂O₃
  2. NO₂(N₂O₄)
  3. N₂O
  4. N₂O₅
B
Question 13: The reaction between Cu and conc. H₂SO₄ produces ?
  1. Cu⁺²
  2. SO₃
  3. SO₂
  4. H₂
C
Question 14: The composition of oleum is ?
  1. H₂SO₄
  2. H₃S₃O₇
  3. H₂S₂O₃
  4. H₂S₂O₇
D
Question 15: The percentage of N in NH₃ ?
  1. 82%
  2. 46%
  3. 92%
  4. 60%
A
Question 16: HNO₂ is ?
  1. Reducing agent
  2. oxidising agent
  3. Both oxidising and reducing agent
  4. None
C
Question 17: Indicate the formula of metaphosphoric acid is ?
  1. H₂PO₅
  2. H₄P₂O₇
  3. HPO₃
  4. H₃PO₄
C

12th Class Chemistry MCQs Chapter 5 The Halogens and the Nobel Gases Punjab Board



Question 1: Iodine deficiency in diet is known to cause ?
  1. Night blindness
  2. Beri-beri
  3. Rickets
  4. Goiter
D
Question 2: What is the reason for lowest bond dissociation energy of F₂ among the halogens ?
  1. Low I.E
  2. Absence of d-orbitals
  3. Repulsion among non-bonding electrons
  4. Low lattice energy of salts
C
Question 3: Which is the strongest acid ?
  1. HClO₃
  2. HClO₂
  3. HClO₄
  4. HClO
C
Question 4: The anhydride of HClO₄ is ?
  1. Cl₂O₅
  2. ClO₂
  3. Cl₂O₇
  4. ClO₃
C
Question 5: Which silver salt is fairly soluble in H₂O ?
  1. AgCl
  2. Agl
  3. AgBr
  4. Agf
D
Question 6: HF is stored in ?
  1. Lead vessel
  2. Stainless steel vessel
  3. Glass vessel
  4. Plastic vessel
B
Question 7: I₂O₅ is prepared by dehydration of ?
  1. HIO₄
  2. HIO₂
  3. HIO
  4. HIO₃
D
Question 8: Which one of the following will displace Br₂ from an aqueous solution containing Br⁻ ion ?
  1. CO₂
  2. I₃
  3. Cl⁻
  4. I₂
A
Question 9: Which halogen occurs naturally in a positive oxidation state ?
  1. Chlorine
  2. Bromine
  3. Fluorine
  4. Iodine
D
Question 10: Which one of the following compounds is not known ?
  1. NCl₃
  2. PI₅
  3. SbCl₃
  4. NCl₅
B
Question 11: The gas used in bactericidal lamps in ?
  1. Xe
  2. Ar
  3. Ne
  4. Kr
A
Question 12: Bleaching powder is an example of ?
  1. Complex
  2. Normal salt
  3. Double salt
  4. Mixed salt
D
Question 13: When Cl₂ is passed over by staked lime, the main product is ?
  1. CaOCl₂
  2. CaClO₂
  3. Ca(ClO₂)₂
  4. Ca(OCl₂)₂
A
Question 14: Which substance is used for etching of glass ?
  1. H₂SO₄
  2. HF
  3. Aqua regia
  4. HClO₄
B
Question 15: Chlorine heptaoxide (Cl₂O₇) reacts with water to form ?
  1. Chloric acid
  2. Hypochlorous acid
  3. Chlorine and oxygen
  4. Perchloric acid
D
Question 16: All pathogenic microorganisms are killed by ?
  1. HCl
  2. CO
  3. H₂S
  4. Cl₂
D
Question 17: Refrigeration capacity of liquid neon is greater than liquid helium by ?
  1. 80 times
  2. 50 times
  3. 40 times
  4. 10 times
C

12th Class Chemistry MCQs Chapter 6 Transition Elements Punjab Board



Question 1: The highest oxidation state of Mn is there in which of the following compounds ?
  1. K₂MnO₄
  2. MnO₂
  3. KMnO₄
  4. MnO
C
Question 2: Which of the following cation has maximum unpaired electron ?
  1. Ni⁺²
  2. Co⁺²
  3. Fe²⁺
  4. Mn²⁺
D
Question 3: Which of the following is a non-typical transition element ?
  1. Mn
  2. Cr
  3. Fe
  4. Zn
C
Question 4: The chemical composition of “Surkh Kahi” is ?
  1. MnO₂
  2. K₄CrO₄
  3. K₂Cr₂O₇
  4. Pb₃O₄
C
Question 5: In silver ammine complex [Ag(NH₃)₂]⁺ the coordination number of silver is ?
  1. 2
  2. 3
  3. 1
  4. Zero
A
Question 6: Which of the following metals exist ion liquid state at room temperature ?
  1. Mercury
  2. Iron
  3. Aluminum
  4. Copper
A
Question 7: The hybridization of NI in [Ni(CN)₄]²⁻ ion is ?
  1. d²sp³
  2. dsp²
  3. dsp³
  4. sp³
B
Question 8: Which of the following has lowest % age of carbon ?
  1. All have same percentage
  2. FeCO₃
  3. Wrought iron
  4. Steel
C
Question 9: Chemical composition of pyrolusitic is ?
  1. K₂MnO₄
  2. MnO₂
  3. KMnO₄
  4. MnO
B
Question 10: Group VIB of transition elements contains ?
  1. Re, Ru, Os
  2. Mn, Te Re
  3. Zn, Cd, Hg
  4. Cr, Mo, W
D
Question 11: Which forms interstitial compounds ?
  1. Fe
  2. Ni
  3. Co
  4. All
D
Question 12: Stainless steel contain iron and ?
  1. Al
  2. Cu
  3. Ag
  4. Cr
D
Question 13: Which one of the following is bidentate ligand ?
  1. Acetato
  2. Chloro
  3. Cyano
  4. Oxalato
D
Question 14: The percentage of carbon in wrought iron is ?
  1. 5 – 6%
  2. 2.5 – 4.5%
  3. 0.12 – 0.25%
  4. 0.25 – 2.5%
C
Question 15: Coordination number of Pt in [Pt Cl (NO₂)(NH₃)₄]⁻² is ?
  1. 1
  2. 6
  3. 4
  4. 2⁻
B
Question 16: d-block elements are also called ?
  1. Alkali metals
  2. Inner transition elements
  3. Normal elements
  4. Outer transition element
D
Question 17: Indicate the composition of rust ?
  1. Fe₂O₃
  2. FeO₃ + Fe (OH) ₂
  3. Fe₂O₃ and Fe(OH)₃
  4. FeO +Fe (OH) ₂
B

12th Class Chemistry MCQs Chapter 7 Fundamentals Principles of Organic Chemistry Punjab Board



Question 1: The chemist who synthesized urea from ammonium cyanate was ?
  1. Lavoiser
  2. Benzelius
  3. Kolbe
  4. Wholer
D
Question 2: How many isomers are possible for C₆H₁₄ ?
  1. 7
  2. 4
  3. 5
  4. 6
C
Question 3: Hybrid orbitals makes only ?
  1. π-bonds
  2. Both sigma and π-bonds
  3. Neither sigma nor π-bonds
  4. Sigma bonds
D
Question 4: Either show the phenomenon of ?
  1. Functional group isomerism
  2. Cis-trans isomerism
  3. Position isomerism
  4. Metamerism
D
Question 5: 2-pentanone and 3-pentanone are ?
  1. Chain isomers
  2. Metamers
  3. Functional group isomers
  4. Geometrical isomers
B
Question 6: Which one of the following compounds is a heterocyclic ?
  1. Pyridine
  2. Aniline
  3. Antheracene
  4. Phenol
A
Question 7: The total number of structural isomers for the compounds of formula C₃H₆O are ?
  1. 2
  2. 4
  3. 3
  4. 5
A
Question 8: Thermal decomposition of a hydrocarbon in the absence of air is called ?
  1. Hydrolysis
  2. Oxidation
  3. Reduction
  4. Cracking
D
Question 9: Which of the following form of coal has less % age of carbon ?
  1. Bituminous
  2. Anthracite
  3. Sub-bituminous
  4. Peat
D
Question 10: Which set of hybride has planar triangular shape ?
  1. sp²
  2. sp
  3. sp³
  4. dsp²
A
Question 11: Tetrathyl lead (C₂H₅)₄Pb is used in gasoline as ?
  1. Promoter
  2. Auto catalyst
  3. Knock inhibitor
  4. Base
C
Question 12: The state of hybridization of carbon atom in methane is ?
  1. dsp²
  2. sp
  3. sp²
  4. sp³
D
Question 13: Which of the following is the use of light naptha ?
  1. Roofing
  2. Lubricant
  3. Polar solute
  4. Non-polar solvent
D
Question 14: The compound having same molecular formula but different structures are called ?
  1. Isomers
  2. None of these
  3. Polymers
  4. Isotopes
A
Question 15: A mixture of hydrocarbons having 13 – 20 C-atoms is called ?
  1. Diesel
  2. Lubricating oil
  3. Gasoline
  4. Kerosene oil
A
Question 16: Which type of coal has greater percentage of carbon in it ?
  1. Anthracite
  2. Bituminous coal
  3. Peat
  4. Lignite
A
Question 17: The quality of petroleum is determined by ?
  1. Gold number
  2. Octane number
  3. Decane number
  4. Hexane number
B

12th Class Chemistry MCQs Chapter 8 Aliphatic Hydrocarbons Punjab Board



Question 1: How many sigma bonds are present in ethyne ?
  1. 3
  2. 5
  3. 4
  4. 2
A
Question 2: The addition of sunsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule ?
  1. Aufba principle
  2. Hund’s rule
  3. Pauli’s exclusion principle
  4. Mankownikov’s rule
D
Question 3: Kolb’s reaction is used for the preparation of ?
  1. Alkenes
  2. Alkynes
  3. All
  4. Alkanes
C
Question 4: Formula of chloroform is ?
  1. CH₂Cl₂
  2. CCl₄
  3. CHCl₃
  4. CH₃Cl
C
Question 5: Which one of the following gases is used for artificial ripening of fruits ?
  1. Ethyne
  2. Both (a) and (b)
  3. Ethene
  4. Methane
B
Question 6: By which process ethene is produced ?
  1. Kolbe’s reaction
  2. Dutch process
  3. Berthelot Process
  4. Sabatier sendron reaction
A
Question 7: Which compound is the least reactive one ?
  1. Ethene
  2. Benzene
  3. Ethane
  4. Ethyne
C
Question 8: Unsaturated nature of alkene can be detected by ?
  1. Ozonolysis
  2. Decolorization of pink colour of KMnO₄ solution
  3. Decolorization of red Br₂ water in CCl₄
  4. All
D
Question 9: Β-β-dichlorodiethyl sulphide is commonly known as ?
  1. Laughing gas
  2. Phosgene gas
  3. Mustard gas
  4. Bio gas
C
Question 10: Preparation of vegetable ghee involves ?
  1. Hydration
  2. Dehydrogenation
  3. Hydrogenation
  4. Halogenation
C
Question 11: Saturated hydrocarbons are also called ?
  1. Paraffins
  2. Acetylenes
  3. Olefins
  4. Alicyclic
A
Question 12: Which gas act as “blistering agent” ?
  1. Acetylene
  2. Mustard gas
  3. Phosphine
  4. Phosgene
B
Question 13: Synthetic rubber is made by polymerization of ?
  1. Butene
  2. Acetylene
  3. Chloroform
  4. Divylacetylene
B
Question 14: Which one of the following substances is more reactive ?
  1. Alkyne
  2. Benzene
  3. Alkane
  4. Alkene
D
Question 15: Vic-dihalide on treatment with Zin dust give ?
  1. Alkenes
  2. Alkynes
  3. Alkanes
  4. All of them
A
Question 16: Vinyl acetylene combines with HCl to form ?
  1. Divinylacetylene
  2. Benzene
  3. Chloroprene
  4. Poly acetylene
C
Question 17: A double consists of ?
  1. Two sigma bonds
  2. One sigma and two Pi-bond
  3. One sigma and one Pi-bond
  4. Two Pi-bond
C

  • 12th Chemistry MCQs Chapter 1 to 8
  • 12th Chemistry MCQs Chapter 9 to 16
  •