Degree of unsaturation:
DOU = (2C + 2 + N - X - H)/2
X is number of halogens
C is number of carbon
N is number of Nitrogen
H is number of Hydrogen
a)
DOU = (2C + 2 + N - X - H)/2
= (2*10 + 2 + 0 - 0 - 16)/2
= (22 - 16) / 2
= 6/2
= 3
Answer: 3
b)
DOU = (2C + 2 + N - X - H)/2
= (2*5 + 2 + 0 - 1 - 5)/2
= (12 - 6) / 2
= 6/2
= 3
Answer: 3
c)
DOU = (2C + 2 + N - X - H)/2
= (2*14 + 2 + 0 - 1 - 29)/2
= (30 - 30) / 2
= 0/2
= 0
Answer: 0
d)
DOU = (2C + 2 + N - X - H)/2
= (2*9 + 2 + 1 - 0 - 15)/2
= (21 - 15) / 2
= 6/2
= 3
Answer: 3
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