12th Class Chemistry Mcqs With Answers Chapter 7| 2nd Year chemistry mcqs with answers pdf

12th Class Chemistry Mcqs With Answers Chapter 1	12th Class Chemistry Mcqs With Answers Chapter 2
12th Class Chemistry Mcqs With Answers Chapter 3	12th Class Chemistry Mcqs With Answers Chapter 4
12th Class Chemistry Mcqs With Answers Chapter 5	12th Class Chemistry Mcqs With Answers Chapter 6
12th Class Chemistry Mcqs With Answers Chapter 7	12th Class Chemistry Mcqs With Answers Chapter 8
12th Class Chemistry Mcqs With Answers Chapter 9	12th Class Chemistry Mcqs With Answers Chapter 10
12th Class Chemistry Mcqs With Answers Chapter 11	12th Class Chemistry Mcqs With Answers Chapter 12
12th Class Chemistry Mcqs With Answers Chapter 13	12th Class Chemistry Mcqs With Answers Chapter 14
12th Class Chemistry Mcqs With Answers Chapter 15	12th Class Chemistry Mcqs With Answers Chapter 16
12th Class Chemistry Mcqs With Answers Chapter 17	12th Class Chemistry Mcqs With Answers Chapter 18
12th Class Chemistry Mcqs With Answers Chapter 19	12th Class Chemistry Mcqs With Answers Chapter 20

Chapter No 7

Fundamental Principles Of Organic Chemistry

1. The state of hybridization of carbon atom in methane is choose which one is correct:

1. Sp³
2. sp²
3. sp
4. dsp²

2. The chemist who synthesized urea from ammonium cyanate was choose which one is correct:

1. Berzelius
2. Kolbe
3. Wholer
4. Lavoisier

3. Which set of hybrid orbitals has planar triangular shape choose which one is correct:

1. Sp³
2. sp
3. Sp²
4. dsp²

                   Δ

4. The reaction C₈H₁₈→ C₃H₆ + Fragments is choose which one is correct:

1. Catalytic oxidation
2. Isomerization
3. Synthesis
4. Cracking

5. The octane number is 100% in petroleum choose which one is correct:

1. Neo-octane
2. n-Hexane
3. Neo-pentane
4. Iso-octane

6. Concept of octane number was introduced by choose which one is correct:

1. Kekule
2. Edgar
3. Wholer
4. Dalton

7. Which of the following form of coal has maximum %age of carbon choose which one is correct:

1. Peat
2. Bituminous
3. Sub-bituminous
4. Anthracite

8. Which of the following is the use of light naphtha choose which one is correct:

1. Non-polar solvent
2. Lubricant
3. Roofing
4. Polar solute

9. Carbon atom of HCHO (methanal, formaldehyde) is choose which one is correct:

1. sp hybridized
2. Sp² hybridized
3. Sp³ hybridized
4. Not hybridized

10. A double bond consist of choose which one is correct:

1. Two sigma bonds
2. One sigma and one pi bond
3. One sigma and two pi bond
4. Two pi bonds

11. Alkanoic acid is another name of choose which one is correct:

1. Aldehyde
2. Ketones
3. Carboxylic acid
4. Alcohols

12. An isomer of ethanol is choose which one is correct:

1. Dimethyl ether
2. Diethyl ether
3. Ethylene glycol
4. Methanol

13. Ethers shows the phenomenon of choose which one is correct:

1. Position isomerism
2. Functional group isomerism
3. Metamerism
4. Cis-trans isomerism

14. Isomerism exhibited by ethanol and dimethyl ether is choose which one is correct:

1. Position isomerism
2. Metamerism
3. Functional group isomerism
4. Chain isomerism

15. Which one of the following does not show geometric isomerism choose which one is correct:

1. ClHC = CHCl
2. H₃C − HC = CHCH₃
3. H₂C = CHCl
4. BrClC = CClBr

16. In t-butyl alcohol, the tertiary carbon is bonded to choose which one is correct:

1. Two H-atoms
2. Three H-atoms
3. One H-atom
4. No H-atom

17. Which of the following has zero dipole moment choose which one is correct:

1. 2-methyl-1-propene
2. 1-butene
3. Trans-2-butene
4. Cis-2-butene

18. Fractional distillation of petroleum yields only about ⎯⎯⎯⎯ of gasoline.

1. 40%
2. 20%
3. 70%
4. 10%

19. Which of the following compounds will exhibit cis-trans (isomerism) choose which one is correct:

1. Butanal
2. 2-butyne
3. 2-butanol
4. 2-butene