MCQ
At ${25\,^o}C$ Ethylene glycol is a
- ASolid compound
- ✓Liquid
- CGas
- DBrown solid
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Product $(C)$ is
$\xrightarrow{{NaN{H_2}}}\,A$

Assume Planck's constant $( h )=6.4 \times 10^{-34}\,Js$ Speed of light $( c )=3.0 \times 10^8\,m / s$ and Avogadro's constant $\left( N _{ A }\right)=6 \times 10^{23} / mol$
$R-NH_2$ $\xrightarrow[{HCl}]{{NaN{O_2}}}$ $..................$
(a gas is evolves with brisk effervescene is)