Hydrocarbons Test

Result

Hydrocarbons Test - 10

Score
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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statements account(s) for the acidic nature of acetylene?

A
Acetylene contains equal numbers of hydrogen and carbon atoms.

B
Acetylene has a greater percentage of carbon content.

C
Sigma electron density of C-H bond of acetylene is closer to carbon, which has 50% of s-character.

D
All of these

Solution

The acidic nature of acetylene is due to the greater sigma electron density of C-H bond of acetylene towards carbon, which is sp hybridised and has 50% of s-character.
Hence, the electron pair of C-H bond gets displaced towards the carbon atom; and as a result, abstraction of H⁺ ion becomes easier.