MCQ
The most suitable reagent for the following conversion is
- A$Na/lquid\; NH_{3}$
- ✓$\mathrm{H}_{2}, \mathrm{Pd} / \mathrm{C},$ quinoline
- C$Zn/HCl$
- D$\mathrm{Hg}^{2+} / \mathrm{H}^{+}, \mathrm{H}_{2}O$
✓
Answer
Correct option: B.
$\mathrm{H}_{2}, \mathrm{Pd} / \mathrm{C},$ quinoline
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Lassaigne’s test is used to detect
The solubility product of $AgI$ at $25\,^oC$ is $1.0 \times {10^{ - 16}}\,mo{l^2}\,{L^{ - 2}}$. The solubility if $AgI$ in ${10^{ - 4}}\,N$ solution of $KI$ at $25\,^oC$ is approximately (in $mol$ ${l^{ - 1}})$
→If $W$ is atomic weight and $ N$ is the atomic number of an element, then
→Correct order of basicity is
The enthalpy of combustion of ${C_6}{H_{6(l)}}$ is $ -3250\, kJ$. When $0.39 \,g$ of benzene is burnt excess of oxygen in an open vessel, the amount of heat evolved is
→Difference in density is the basis of
The energy of an electron in the first Bohr orbit of hydrogen atom is $-2.18 \times 10^{-18}\,J$. Its energy in the third Bohr orbit is $........$.
→The decreasing order of nucleophilicity among the nucleophiles is
→$(I)$ $\begin{array}{*{20}{c}}
{C{H_3} - C - {O^ - }} \\
{\,\,\,\,\,\,||\,\,} \\
{\,\,\,\,\,\,O\,\,}
\end{array}$
$(II)$ $CH_3O^-$
$(III)$ ${C_6}{H_5}{O^\Theta }$
$(IV)$ (image)
The molecular electronic configuration of $H_2^ - $ ion is
→If the solubility product ${K_{sp}}$ of a sparingly soluble salt $M{X_2}$ at $25\,^oC$ is $1.0 \times {10^{ - 11}}$, the solubility of the salt in mole litre$^{-1}$ at this temperature will be
→