Question

The synthetic steroid ethynylestardiol (1) is a compound used in the birth control pill. How many $s{p}^3$ hybridised carbon atoms are present in compound (1) ?

• A. 8
• B. 9
• C. 10
• D. 11
• E. 12

Answer 1

Answer: (E)

12

$s{p}^3$ hybridised carbon are those carbon having $4$ single bond with $4$ different groups.

(Refer to Image)

There are $12$ $s{p}^3$ hybridised carbon atoms.