Question
cis and trans $ 2-$butene are
$\begin{array}{*{20}{c}}
{CH = CH} \\
{\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,C{H_3}}
\end{array}$ and $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\
{\,\,\,\,\,\,\,\,\,|} \\
{CH = CH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}
\end{array}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$Z{n^{2 + }}\,(aq)\, + \,2e\, \rightleftharpoons \,Zn\,(s)\,;\, - \,0.762\,V$
$C{r^{3 + }}\,(aq)\, + \,3e\, \rightleftharpoons \,Cr(s)\,;\, - \,0.740\,\,V$
$2{H^ + }\,(aq)\, + \,2e\, \rightleftharpoons \,{H_2}(g)\,;\,\,\,0.00\,\,\,V$
$F{e^{3 + }}\,(aq)\, + \,e\, \rightleftharpoons \,F{e^{2 + }}(aq)\,;\,\,\,0.770\,\,\,V$
Which is the strongest reducing agent ?
Statement $I : CeO _{2}$ can be used for oxidation of aldehydes and ketones.
Statement $II :$ Aqueous solution of $EuSO _{4}$ is a strong reducing agent.
In the light of the above statements, choose the correct answer from the options given below
| Column $I$ (Molecule/ion) | Column $II$ (Hybridisation) |
| $(A)$ $H_3O^+$ ion | $(P)$ $sp$ |
| $(B)$ $NH_2^-$ ion | $(Q)$ $sp^2$ |
| $(C)$ $NO_3^-$ ion | $(R)$ $sp^3$ |
| $(D)$ $ClF_3$ | $(S)$ $sp^3d$ |