MCQ
Amongst the following covalent bonding is found in
- ASodium chloride
- BMagnesium chloride
- ✓Water
- DBrass
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$2N{O_2}(g) \rightleftharpoons {N_2}{O_4}(g)$ at $300\ K$
The value of $Kp$ is $2\ atm^{-1}$ . The total pressure at equilibrium is $10\ atm$ . If volume of container become two times of its original volume, what will be its equilibrium pressure at $300\ K$ ......$atm$
$C _{2} H _{6} \rightarrow C _{2} H _{4}+ H _{2}$
the reaction enthalpy $\Delta_{ r } H =...........{ kJ\, mol ^{-1}}$.
(Round off to the Nearest Integer).
[Given : Bond enthalpies in $kJ$ $mol$ $^{-1}:C-C : 347, C = C : 611 ; C - H : 414, H - H : 436]$