Download App

STD 12 - 9. Amines — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 9. Amines4 Marks
MCQ
Aniline is usually purified by
  • ✓
    Steam distillation
  • B
    Simple distillation
  • C
    Vacuum distillation
  • D
    Extraction with a solvent
✓

Answer

Correct option: A.
Steam distillation
a
Aniline is purified by steam distillation. The temperature required for the simple distillation of aniline is too high. It decomposes at this temperature. Steam distillation occurs at lower temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

What mass of $AgI$ will dissolve in $1.0\, L$ of its saturated solution ? [Given $: K_{sp}(AgI) = 1.0\times10^{-16} ; (At\, wt.\, Ag = 108; I=127)$
→
Which of the following can show optical activity
→
The first order rate constant for the decomposition of ${N_2}{O_5}$ is $6.2 \times {10^{ - 4}}\,{\sec ^{ - 1}}$. The half life period for this decomposition in seconds is
→
Which has the maximum number of molecules among the following?
→
The enthalpies of combustion of carbon and carbon monodie are $-393.5$  and $-283 \,kJ\, mol^{-1}$  respectivley. The enthalpy of formation of carbon monoxide per mole is.......$kJ$
→
Which of the following compounds is ionic
→
In a double bond between two carbon atoms of ethene, there are
→
Among the following, the compound that is both paramagnetic and coloured is
→
In the reaction $SnC{l_2} + 2C{l^ - } \to SnC{l_4},$ Lewis acid is
→
Calculate the amount of ${(N{H_4})_2}S{O_4}$ in grams which must be added to $500 $ $ml$ of $0.200\,M\,N{H_3}$ to yield a solution with $pH = 9.35$ $({K_b}$ for $N{H_3} = 1.78 \times {10^{ - 5}})$ ........$gm$
→