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What is the degree (index or element) of...

What is the degree (index or element) of unsaturation for an alkyne?

A

One

B

Three

C

Two

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
C
Their general formula is `C-nH_(2n-2)`. As they have 4 H's less than the corresponding alkane, the degree of unsaturation is two.
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Knowledge Check

  • Degree of unsaturation for

    A
    12
    B
    13
    C
    14
    D
    15

  • Degree of unsaturation for

    A
    20
    B
    21
    C
    22
    D
    33

  • What is the degree (or element) of unsaturation for C_(4)H_(8) ?

    A
    Zero
    B
    One
    C
    Two
    D
    Three