- A$4$
- ✓$3$
- C$2$
- D$1$
$1.$ $N-$methyl $n-$propyl amine
$2.$ $N-$methyl isopropyl amine
$3.$ $N,N-$dimethyl amine
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(Given: specific rotations of ($+$)-sucrose, ($+$)-maltose, $L$-($-$)-glucose anc. $+(+)$-fructose in aqueous solution are $+66^{\circ},+140^{\circ},-52^{\circ}$ and $+92^{\circ}$, respectively)
($A$) 'invert sugar' is prepared by acid catalyzed hydrolysis of maltose
($B$) . 'invert sugar' is an equimolar mixture of $D$-($+$)-glucose and $D$-($-$)-fructose
($C$) specific rotation of 'invert sugar' is $-20^{\circ}$
($D$) on reaction with $\mathrm{Br}_2$ water, 'invert sugar' forms saccharic acid as one of the products
The missing product $(s)$ is $(are)$
The heat of the reaction $2Mg + Si{O_2} \to 2MgO + Si$ is......$kJ$
