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NEET2019ChemistryHydrocarbonsActual

In the following reaction, the number of sigma( ) bonds present in the product A is

Options

  1. A21
  2. B9
  3. C24
  4. D18

Correct answer

A. 21

Step-by-step solution

Key Idea Single bond =1 , Double bond =1 , 1 ; Triple bond =1 and 2 . Alkynes form aromatic compounds when their vapours are passed over red hot copper or iron tubes. The number of sigma ( ) bonds present in the product (A) is 21.

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