MCQ
The transitional element of $ III-B $ group is isomorphic with $A{l_2}{(S{O_4})_3}$. Therefore the compound will be
- APurple
- BBlue
- ✓White
- DUncertain
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(Nearest integer)
[Given : The heat capacity of the calorimeter system is $20\, kJ\, K ^{-1}, R =8.3\, JK ^{-1}\, mol ^{-1}$.
Assume ideal gas behaviour.
Atomic mass of $C$ and $H$ are $12$ and $1\, g\, mol ^{-1}$ respectively]



$C{H_3}CN\xrightarrow{{Na/{C_2}{H_5}OH}}A\xrightarrow{{HN{O_2}}}B\xrightarrow{{{\text{copper}}}}C$