In the following reaction equation, what is A and C ?
(i) `CH_(3)-overset(CH_(3))overset(|)CH-underset(OH)underset(|)CH-CH_(3) overset(H^(+)//"Heat")to underset("Main product") (A)+ underset("By product")(B)`
ii) `A overset("HBr, dark")to underset("Main product") (C) +underset("By product")(D)`

Options

A. `CH_(3)=overset(CH_(3))overset(|)C-CH_(2)-CH_(3)` and `underset(Br)underset(|)CH_(2)-overset(CH_(3))overset(|)CH-CH_(2)-CH_(3)`
B. `CH_(3)=overset(CH_(3))overset(|)C-CH-CH_(3)` and `CH_(3)-overset(CH_(3))overset(|)underset(Br)underset(|)CH-CH_(2)-CH_(3)`
C. `CH_(3)=overset(CH_(3))overset(|)C-CH-CH_(3)` and `CH_(3)-overset(CH_(3))overset(|)CH-underset(Br)underset(|)CH-CH_(3)`
D. `CH_(3)=overset(CH_(3))overset(|)C-CH_(2)-CH_(3)` and `CH_(3)-underset(Br)underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(3)`

Answer

B

Explanation

`CH_(3)=overset(CH_(3))overset(|)C-CH-CH_(3)` and `CH_(3)-overset(CH_(3))overset(|)underset(Br)underset(|)CH-CH_(2)-CH_(3)`