- A$16$
- B$8$
- C$4$
- ✓$12$

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(Given atomic number: $\mathrm{Sc}: 21, \mathrm{Ti}: 22, \mathrm{~V}: 23$, $\mathrm{Cr}: 24, \mathrm{Mn}: 25, \mathrm{Fe}: 26, \mathrm{Co}: 27, \mathrm{Ni}: 28, \mathrm{Cu}: 29$, $\mathrm{Zn}: 30)$
$[\log 5=0.698, \log 7=0.845, \log 2=0.301]$
$2N{O_2}(g) \rightleftharpoons {N_2}{O_4}(g)$ 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 $300\ K$ ......$atm$
$C{H_3}C{H_2}C{H_2}Br$ $\xrightarrow{{KOH(alc.)}}\,(A)\,\xrightarrow{{HBr}}(B)\,$ $\xrightarrow{{KOH(aq.)}}(C)$ The product $(C)$ is