Question

How many carbon atoms are in the following molecule of isobutane? (ch3)3ch
a. 3
b. 4
c. 9
d. 10

Answer 1

Number of Carbon atoms = 3*1 + 1 = 3 + 1 = 4

In short, Your Answer would be Option B

Hope this helps!

Answer 2

Answer: B. 4

Explanation:

There are 4 carbon atoms present. Looking at the methyl group CH3, there is presence of carbon C which occurs three times because we have 3-methyl groups (CH3) plus another carbon C attached to the CH compound making it 4-carbon atoms present.