Question

How many degrees of unsaturation are there the following compound?

• A. 6
• B. 7
• C. 10
• D. 11

Answer 1

The correct option is D 11

The Degree of unsaturation defined by the double or triple bond present in the compound,

it can be in the form of $C=X$ or $C=C$ form, here $(X=O,N)$

So total unsaturation is $1+1+6+1+2=11$ {from right to left}