STD 11 - 3. Classification of elements and periodicity in properties — JEE STD 11 Science — Question

$Z\,\xrightarrow{{PC{l_5}}}\,X\,\xrightarrow[\Delta ]{{{\text{Alc}}{\text{.KOH}}}}\,Y\,\xrightarrow{{{H_2}O/{H^ \oplus }}}\,\mathop Z\limits_{{\text{(Major)}}} \,,\,\,Z$ is 

Assertion $(A) :$ $I - Cl$ is more reactive than $I _{2}$.

Reason $(R):$ $I - Cl$ bond is weaker than $I-I$ bond.

In the light of the above statements, choose the most appropriate answer from the options given below:

$(a)$ Heat of combustion reaction

$(b)$ Heat of formation reaction

$(c)$ An exothermic reaction

$(d)$ Not neutralization reaction