Question

What is wrong with the formula CH3CH2CH=CH3

1. The formula has too many H atoms bound to the right-most C atom

2. the formula has too many H atoms bound to the left-most C atom

3. The formula has too many H atoms bound to the second C atom

4. The formula is correct

Answer 1

1. The formula has too many H atoms bound to the right-most C atom.

Explanation:

Carbon atoms can only have four bonds. = means a double bond so there should only be 2 H atoms as two bonds are already taken up by the last Carbon.