MCQ
When $NaCl$ is dissolved in water the sodium ion becomes
- AOxidized
- BReduced
- CHydrolysed
- ✓Hydrated
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$N_2H_4 + IO_3^-+ 2H^+ + Cl^- \rightarrow ICl + N_2 + 3H_2O$
The equivalent masses of $N_2H_4$ and $KIO_3$ respectively are :-
| Mass of dinitrogen | Mass of dioxygen |
| $14\, g$ | $16\, g$ |
| $14\, g$ | $32\, g$ |
| $28\, g$ | $32\, g$ |
| $28\, g$ | $80\, g$ |
Which law of chemical combination is obeyed by the above experimental data ?

$\mathop A\limits_{(alkene)} \xrightarrow[{{H_2}O}]{{RC{O_3}H}}$ Racemic mixture
$\mathop A\limits_{(alkene)} \xrightarrow{{Cold\,dil.KMn{O_4}}}$ Meso-compound