Which of the following reactions is shown by alkynes?

Addition

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Substitution

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Polymerization

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All of these

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Solution

The correct option is D
All of these

(a) Addition-

$C H \equiv C H + 3 H_{2} N i - \to C H_{3} - C J_{3}$

(b)Substitution-

$C H \equiv C H + N a ⟶ C H \equiv C - N a^{-} + \frac{1}{2} H_{2}$

(c)Polymerisation-

$3 C H \equiv C H h o t C u t u b e - -------- \to P o l y m e r i z a t i o n C_{6} H_{6}$
$B e n z e n e$

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Similar questions

Which of the following isomerism is not shown by alkynes?

A, B, (C_{10} H_{18})

(C_{10} H_{16})

A (C_{10} H_{18})

B (C_{10} H_{16})

Alkyne (A) H_{2} + P l - --- \to 2 m o l ↓ C_{2} H_{5} M g B r Decane

(B) + C_{2} H_{6}

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