MCQ
The $IUPAC$ name of (figure) is


- A$3-$ Methylpent $-1-$ en $-4-$ al
- ✓$3-$ Methylpent $-4-$ enal
- C$3-$ Methylpent $-4-$ carbaldehyde
- D$3-$ Methyl $-5-$ oxopent $-1-$ ene

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$N_2(g) + 3H_2(g) \to 2NH_3(g$) is
$-92.38\, KJ$ at $298\, K$. The internal energy change $\left( {\Delta U} \right)$ at $298\, K$ is ........$KJ$