Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 17

EASY

11th CBSE

IMPORTANT

Earn 100

When ${CH}_{3} {CH}_{2} {CHCl}_{2}$ is treated with ${NaNH}_{2}$ , the product formed is

44.62% studentsanswered this correctly

Important Questions on Hydrocarbons

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 18

From which one of the following both ethylene and acetylene could be prepared in a single step reaction?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 19

Identify the compounds A and B in the following reaction sequence.

{CaC}_{2}

(s) +

H_{2} O

(l)

\to

A (g)

\to_{{HgSO}_{4}}^{H_{2} {SO}_{4}}

B (l)

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 20

Which is the decreasing order of strength of bases:

{OH}^{-}, {NH}_{2}^{-}, HC \equiv C^{-}

and

{CH}_{3} {CH}_{2}^{-}

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 21

A gas decolourises alkaline

{KMnO}_{4}

solution but does not give a precipitate with

{AgNO}_{3}

, it is

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 22

2

-Hexyne gives trans-

2

-hexene on treatment with

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 23

Number of bonds in benzene is

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 24

Enthalpy of hydrogenation of cyclohexene is

- 119.5 kJ {mol}^{- 1}

. If resonance energy of benzene is

- 150.4 kJ {mol}^{- 1}

, its enthalpy of hydrogenation would be

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>TEST YOUR GRIP>Q 25

Phenylmagnesium bromide reacts with methanol to give