STD 12 -1. Solution and colligative properties — NEET STD 11 Science — Question

Statement $I$ : Boron is extremely hard indicating its high lattice energy

Statement $II$ : Boron has highest melting and boiling point compared to its other group members.

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

$(i)$ $X + Y  \rightleftharpoons  M$             very rapid equilibrium

$(ii)$ $M + Z \to  P$                        slow

$(iii)$ $O + Y \to  N$                       very fast

What is the rate law for this reaction