MCQ
Above conversion can be achieved by
- A$Zn(Hg), HCl$
- ✓$NH_2 - NH_2 /KOH/ \Delta$
- C$LiAlH_4$
- D$H_2/Ni$
✓
Answer
Correct option: B.
$NH_2 - NH_2 /KOH/ \Delta$
b
$(b)$ (Wolff-Kishner reduction)
$(b)$ (Wolff-Kishner reduction)
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
A monochromatic light wave is incident normally on a glass slab of thickness $d$, as shown in the figure. The refractive index of the slab increases linearly from $n_1$ to $n_2$ over the height $h$. Which of the following statement($s$) is (are) true about the light wave emerging out of the slab?
→(image)
($A$) It will deflect up by an angle $\tan ^{-1}\left[\frac{\left(n_2^2-n_1^2\right) d}{2 h}\right]$
($B$) It will deflect up by an angle $\tan ^{-1}\left[\frac{\left(n_2-n_1\right) d}{h}\right]$
($C$) It will not deflect.
($D$) The deflection angle depends only on $\left(n_2-n_1\right)$ and not on the individual values of $n_1$ and $n_2$.
Ten tuning forks are arranged in increasing order of frequency in such a way that any two nearest tuning forks produce $4$ beats/sec. The highest frequency is twice of the lowest. Possible highest and the lowest frequencies are
→In steady state the potential difference across the capacitor is $10\,\, V.$ Each resistance is of $3\,\Omega $. The cell is ideal. The $emf$ of the cell is .............. $\mathrm{V}$
→A force of $- P \hat{k}$ acts on the origin of the coordinate system. The torque about the point $(2,-3)$ is $P(a \hat{i}+b \hat{j})$, the ratio of $\frac{a}{b}$ is $\frac{x}{2}$. The value of $x$ is
→When a point source of light is at a distance of $50 \,cm$ from a photoelectric cell, the cut-off voltage is found to be $V_0$. If the same source is placed at a distance of $1 \,m$ from the cell, then the cut-off voltage will be
→A particle moves with a velocity $\vec v\, = \,5\hat i - 3\hat j + 6\hat k\,\,m/s$ under the influence of a constant force $\vec F\, = \,10\hat i + 10\hat j + 20\hat k$. Instantaenous power will be ............... $J/s$
→Which of the following products is obtained by the oxidation of propionaldehyde
The line on the earth's surface joining the points where the field is horizontal is
A body of mass $1\, kg$ rests on a horizontal floor with which it has a coefficient of static friction $\frac{1}{\sqrt{3}}$. It is desired to make the body move by applying the minimum possible force $F\, N$. The value of $F$ will be the Nearest Integer) [Take $g =10 \,ms ^{-2}$ ]
→In the given circuit
