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MULTIPLE CHOICE QUESTIONS
1. In the following X and Y are respectively
A) CH3OH, C2H5OH B) CH3CHO, CH3OH
C) CH2 = CH2, CH3COOH D) CH3COOH, C2H5OH
2. Acetic acid reacted with metallic Sodium to form Hydrogen and X, when X is heated with soda lime, Y and Sodium carbonate are formed, then Y is
A) C2H6 B) CH4 C) CH3COONa D) CH3CONH2
3. The first organic compound was synthesised by
A) Wohler B) Newland C) Bohr D) Sorenson
4. Valency of Carbon is
A) 2 B) 3 C) 4 D) 6
5. The saturated hydrocarbons are
A) Alkanes B) Alkenes C) Alkynes D) Aldehydes
6. The compounds containing Carbon - Carbon single bonds are
A) Alkanes B) Alkenes C) Alkynes D) None
7. The compounds containing Carbon - Carbon double bond are
A) Alkenes B) Alkynes C) Alkanes D) None
8. The compounds containing Carbon - Carbon triple bonds are
A) Alkanes B) Alkenes C) Alkynes D) None
9. The formula of Ethylene is
A) C2H2 B) C2H4 C) C2H6 D) C3H8
10. The formula of Acetylene is
A) C2H2 B) C2H4 C) C2H6 D) C3H8
11. Which of the following is an unsaturated hydrocarbon
A) CH4 B) C2H6 C) C2H2 D) C3H8
12. Alkanes burns in air to formed Carbon dioxide and water, it is called
A) Substitution reaction B) Combustion C) Addition reaction D) None
13. The final compound formed when Methane react with Chlorine in presence of sun light is
A) CH3Cl B) CH2Cl2 C) CHCl3 D) CCl4
14. The reactions takes place in alkanes are
A) Addition reactions B) Substitution reactions C) Decomposition reactions D) None
15. -COOR group containing compounds are called
A) Acids B) Amines C) Ketones D) Esters
16. - OH group containing compounds are called
A) Ketones B) Amines C) Esters D) Alcohols
17. Match the following.
1) Alcohols a) R - O - R
2) Ethers b) R - COOR
3) Ketones c) R - OH R
4) Esters d)
A) 1-a, 2-b, 3-c, 4-d B) 1-c, 2-b, 3-a, 4-d C) 1-b, 2-c, 3-d, 4-a D) 1-c, 2-a, 3-d, 4-b
18. Match the following.
1) Amines a) R - O - R
2) Aldehydes b) R - NH2
3) Ethers c) R - COOH
4) Acids d) R - CHO
A) 1-b, 2-d, 3-c, 4-a B) 1-b, 2-a, 3-c, 4-d C) 1-b, 2-d, 3-a, 4-c D) 1-a, 2-b, 3-c, 4-d
19. Match the following.
1) Methyl alcohol a) CH3COOCH3
2) Ethyle alcohol b) H - CHO
3) Methyl acetate c) C2H5OH
4) Formaldehyde d) CH3OH
A) 1-d, 2-c, 3-a, 4-b B) 1-a, 2-b, 3-c, 4-d C) 1-d, 2-c, 3-b, 4-a D) 1-a, 2-d, 3-b, 4-c
20. Match the following.
1) CH4 a) Propane
2) C2H6 b) Butane
3) C3H8 c) Methane
4) C4H10 d) Ethane
A) 1-c, 2-a, 3-b, 4-d B) 1-c, 2-d, 3-a, 4-b C) 1-a, 2-b, 3-c, 4-d D) 1-c, 2-d, 3-b, 4-a
Answers: 1-D; 2-B; 3-A; 4-C; 5-A; 6-A; 7-A; 8-C; 9-B; 10-A; 11-C; 12-B; 13-D; 14-B; 15-D; 16-D; 17-D; 18-C; 19-A; 20-B.