
- ✓$a$
- B$b$
- C$c$
- D$d$


Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\underset{I}{\mathop{C{{H}_{3}}-C{{H}_{2}}-N{{H}_{2}}}}\,$
$\underset{II}{\mathop{{{(C{{H}_{3}}C{{H}_{2}})}_{2}}NH}}\,$
$\mathop {{{(C{H_3}C{H_2})}_3}N}\limits_{II} $


$Ni^{2+} | Ni = -0.25\, V$
$Cu^{2+} | Cu = 0.34\, V$
$Ag^+ | Ag = 0.80\, V$
$Zn^{2+} | Zn = -0.76\, V$
Which of the following reactions under standard condition will not take place in the specified direction
$PhC{{O}_{2}}H\xrightarrow[2.\,N{{H}_{3}}]{1.\,PC{{l}_{5}}}A\xrightarrow[2.\,{{H}_{2}}/Ni]{1.\,{{P}_{4}}{{O}_{10}}.heat}B.$ The final product $(B)$ is
$CH _3\left( CH _2\right)_4 CH _3 \xrightarrow[HCl,\Delta]{Anhy.AlCl_3} X$
$\Delta U = 2.1\ kcal, \, \Delta S = 20\, cal\, K^{-1}$ at $300\, K$ Hence, $\Delta G$ is ............ $\mathrm{kcal}$