MCQ
$X$ can be
- A$NH_2 -NH_2/ KOH$
- B$Zn -Hg/ HCl$
- C$Red\, P + HI$
- ✓All
✓
Answer
Correct option: D.
All
d
All reagents are used to convert $> C = O$ to $ > CH_2$
All reagents are used to convert $> C = O$ to $ > CH_2$
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
Zener diode acts as a/an
Two circuits $(a)$ and $(b)$ have charged capacitors of capacitance $C, 2C$ and $3C$ with open switches. Charges on each of the capacitor are as shown in the figures. On closing the switches
→The critical angle between an equilateral prism and air is $45^o $. If the incident ray is perpendicular to the refracting surface, then
→A battery is connected to a uniform resistance wire $AB$ and $B$ is earthed. Which one of the graphs below shows how the current density $J$ varies along $AB$
→The capacitor of capacitance $4\,\mu F$ and $6\,\mu F$ are connected in series. A potential difference of $500\;volts$ is applied to the outer plates of the two capacitor system. The potential difference across the plates of capacitor of $4\,\mu F$ capacitance is.........$volts$
→A particle moves in the $xy-$plane under the action of a force $F$ such that the components of its linear momentum $p$ at any time $t$ are ${p_x} = 2\cos t$, ${p_y} = 2\sin t$. The angle between $F$ and $p$ at time $t$ is ........... $^o$
→A circular coil and a bar magnet placed near by are made to move in the same direction. The coil covers a distance of $1\, m$ in $0.5\, sec$ and the magnet a distance of $2\, m$ in $1\, sec$. The induced emf produced in the coil.....$V$
→In an $FM $ system a $7\, kHz$ signal modulates $108\, MHz$ carrier so that frequency deviation is $50\, kHz$. The carrier swing is
→A sphere of relative density $\sigma$ and diameter $D$ has concentric cavity of diameter $d$. The ratio of $\frac{D}{d}$, if it just floats on water in a tank is:
→The equation of a circle is given by $x^2+y^2=a^2$, where $a$ is the radius. If the equation is modified to change the origin other than $(0,0)$, then find out the correct dimensions of $A$ and $B$ in a new equation: $(x-A t)^2+\left(y-\frac{t}{B}\right)^2=a^2$.The dimensions of $t$ is given as $\left[ T ^{-1}\right]$.
→