The major product formed in the following reaction is:

Which of the following is an unsaturated compound?

$CH_3-CH=CH_2$ $\xrightarrow{Br_2, hv (\text{low conc.})} \dots$ $\xrightarrow{Mg, \text{Dry ether}} \dots$ $\xrightarrow{CH_3-CO-CH_3, NH_4Cl} \dots$ $\xrightarrow{H^{+}, \Delta} (X)$. The end product $(X)$ of the above reaction is:

What is the product of the reaction of $CH_3CH=CH-C_6H_4-OH$ with $HBr$?

Dalda is prepared from oils by

Conjugate double bond is present in