MCQ
How many alkene on catalytic hydrogenation given isopentane as a product ?
- A$2$
- ✓$3$
- C$4$
- D$5$

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Statement $I:$ Primary aliphatic amines react with $HNO _{2}$ to give unstable diazonium salts.
Statement $II:$ Primary aromatic amines react with $HNO _{2}$ to form diazonium salts which are stable even above $300 \,K$.
In the light of the above statements, choose the most appropriate answer from the options given below:

$A$ and $B$ are :
