Propyne $\underset{{\mathrm{H}}_2{\mathrm{so}}_4}{\overset{{\mathrm{HgSO}}_4}{\to }}$ A.

What is compound A?

1. 2-Propanol

2. Propane

3. Propene

4. 2-Propanone

 1-Butyne and 2-Butyne can be differentiated by:

1. Bromine, CCl₄

2. H₂ , Lindlar catalyst

3. Dilute H₂SO₄, HgSO₄ 

4. Ammoniacal cuprous chloride

Which of the following hydrocarbon fuels has the highest octane rating?

1. Methane

2. Ethane

3. Iso-octane

4. Triptane

In the presence of peroxide, hydrogen chloride and hydrogen fluoride do not undergo anti-Markovnikov's

addition reaction with alkenes because-

1. Both are highly ionic

2. One is oxidizing and the other is reducing

3. One of the steps is endothermic in both the cases

4. All the steps are exothermic in both cases

In the reaction sequence given below, (A) will be:

1. 1-Bromo-2-ethyl cyclopentane   

2. 1-Bromo-1-methyl cyclopentane

3. 1-Bromo-5-methyl cyclopentane

4. 5-Bromo-1-methyl cyclopentane

The reaction of propene with HOCl proceeds via the addition of:

The compound among the following that yield propyne on hydrolysis is:

1. ${\mathrm{Al}}_4{\mathrm{C}}_3$

2. ${\mathrm{Mg}}_2{\mathrm{C}}_3$

3. ${\mathrm{B}}_4\mathrm{C}$

4. ${\mathrm{La}}_4{\mathrm{C}}_3$

Hydrogenation of the above compound in the presence of poisoned palladium catalyst gives

(1) optically active compound

(2) an optically inactive compound

(3) a racemic mixture

(4) a diastereomeric mixture

The reaction of HBr with 

 in the presence of peroxide will give:

1.
2.
3.
4.

The product formed on reaction of HBr with propene is-

1. 1-bromopropane

2. 2-bromopropane

3. 3-bromopropane

4. no reaction occurs