Which of the following compounds is insoluble even in hot concentrated H₂​SO₄​?

1. Aniline 

2. Benzene

3. Ethylene

4. Hexane

Anti-Markovnikov’s addition of HBr is not observed in-

Baeyer's reagent is: 

1. Acidified permanganate solution

2. Alkaline permanganate solution

3. Neutral permanganate solution

4. Aqueous bromine solution

Which of the following compound has highest boiling point ?

(1) n-pentane

(2) 2-methyl butane

(3) 2, 2-dimethyl propane

(4) n-hexane

Consider the following reaction,

The structure of the major reaction intermediate formed in the above reaction is-

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