Addition Reaction (Hydrogenation)

Q. Catalytic hydrogenation of an alkene gives _________.

1. an alkyne
2. an alcohol
3. an alkane
4. a carboxylic acid

Q. Unsaturated hydrocarbons undergo _____ reaction with hydrogen in the presence of palladium or nickel catalyst.

1. hydration
2. substitution
3. addition
4. dehydration

Q. Catalytic hydrogenation of an alkene gives _________.

1. an alcohol
2. a carboxylic acid
3. an alkane
4. an alkyne

Q.

Unsaturated carbon compounds undergo _____ reactions with hydrogen in the presence of palladium or nickel catalyst.

1. Reduction

2. Substitution

3. Addition

4. Elimination

Q.

(a) Ethylene when reacts with halogens (chlorine and bromine) form saturated products. Name them and write balanced equations.
(b) Give the conditions and the main product formed by hydrogenation of ethylene.

Q. Catalytic hydrogenation of an alkene gives _________.

1. an alkyne
2. an alcohol
3. an alkane
4. a carboxylic acid

Q.

Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of :

1. substitution reaction
2. addition reaction
3. displacement reaction
4. oxidation reaction

Q.

Unsaturated carbon compounds undergo _____ reactions with hydrogen in the presence of palladium or nickel catalyst.

1. Reduction

2. Substitution

3. Elimination

4. Addition