MCQ
$IUPAC$ name of is


- ✓But $-3-$ enoic acid
- BBut $-1-$ enoic acid
- CPent $-4-$ enoic acid
- DProp $-2-$ enoic acid

So, the correct name is: but -$3$ - enoic acid.
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$Gas$ $(A)$ bums with a blue flame and is oxidised to $gas$ $(B)$,
$Gas\left( A \right) + C{l_2} \to \left( D \right)\xrightarrow{{N{H_3},\Delta }}\left( E \right)$.
$A,B, C$ and $E$ are
Assertion : The $pH$ of water increases with increase in temperature.
Reason : The dissociation of water into $H^+$ and $OH^-$ is an exothermic reaction.

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