The number of C atoms present in allyl vinyl acetylene is and it has ___ degree of unsaturation.

7

and

4

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7

and

3

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5

and

4

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5

and

3

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Solution

Correct option: (A)
Allyl carbon is a carbon atom that is attached to a doubly bonded carbon atom.
Vinylic carbon is a carbon atom that is doubly bonded to another carbon atom.
Acetylene is the simplest compound of the alkyne series containing two carbon atoms attached through a triple bond.
The structural formula of Allyl vinyl acetylene
$C H_{2} = C H - C H_{2}      a l l y l - C \equiv C      a c e t y l e n e - C H = C H_{2}      v i n y l$

No.of Carbon atoms $= 7$
$1$ double bond $= 1 π$ bonds
$1$ triple bond $= 2 π$ bonds
Degree of unsaturation = No. of $π$ bonds $= 1 + 2 + 1 = 4$

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The number of C atoms present in allyl vinyl acetylene is ____ and it has _______ degree of unsaturation.

The number of C atoms present in allyl vinyl acetylene is and it has ___ degree of unsaturation.