Organic Chemistry

Question 1

Use of Na in dry ether to combine alkane halides in coupling reaction

Answer 1

Wurtz synthesis

Question 2

Product of halogenation of alkenes using Cl2 in CCl4

Answer 2

vicinal dihalide (same side)

Question 3

product of addition of HBr to alkene with organic peroxides

Answer 3

anti-Markovnikov alkyl halide (H is attached to more substituted carbon)

Question 4

Product of adding X2 (only B2 or Cl) in H2O to an alkene

Answer 4

halohydrin

Question 5

What is the purpose of Lindlar catalyst?

Answer 5

hydrogenation of alkyne to alkene (forced trans orientation)

Question 6

Product of adding 2HX to alkyne

Answer 6

geminal dihalide (follows Markovnikov)

Question 7

Reaction for preparing asymmetrical ethers

Answer 7

Williamson synthesis

Question 8

Reagent used for preparation of symmetrical ethers

Answer 8

hot H2SO4

Question 9

reagaent required for Williamson synthesis

Answer 9

Na, K, NaH

Question 10

Reagent required for Friedel Crafts Acylation

Answer 10

AlCl3

Question 11

Addition of one alcohol to aldehyde produces

Answer 11

hemiacetal

Question 12

Addition of two alcohol to aldehyde produces

Answer 12

acetal

Question 13

Compound produces by the reaction of aldehydes/ketones with HCN

Answer 13

cyanohydrin (OH group and CN group)

Question 14

Product of adding peroxyacid to aldehydes

Answer 14

carboxylic acid

Question 15

Product of adding peroxyacid to ketones

Answer 15

Esters

Question 16

Purpose of I2 in production of carboxylic acids

Answer 16

Removal of one carbon group to produce iodoform