Question

Carbon to carbon triple bond is found in:

(a) 2-butylene

(b) Acetaldehyde

(c) Acetic acid

(d) Ethyl alcohol​

Answer 1

Explanation:

(c)

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Answer 2

Answer:

The correct option is (a) 2-butylene.

Explanation:

• In alkynes, you will find carbon to carbon triple bonds, C≡C.
• The general formula of alkynes is - $C_{n}H_{2n-2}$. Where n is the number of carbon atoms present in the compound.
• Alkyne compounds are unsaturated and C≡C is $sp$ hybridized.
• In 2-butylene, the C≡C exists in the between of the chain.
• We know that butyl has 4 carbon atoms, we can easily find out the formula of 2-butylene.

       $C_{4} H_{2(4)-2} \\= C_{4} H_{6}$

• $C_{4} H_{6}$: 2-butylene can be shown as

      $CH_{3}-C$≡$C-CH_{3}$