Download App

9. Amines — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry9. Amines1 Mark
MCQ
Aniline reacts with acetaldehyde to form
  • ✓
    Schiff's base
  • B
    Carbylamine
  • C
    Immine
  • D
    None of these
✓

Answer

Correct option: A.
Schiff's base
a
${C_6}{H_5} - N{H_2} + C{H_3} - CHO\xrightarrow{{{H^ + }}}\mathop {C{H_3} - CH = N - {C_6}{H_5}}\limits_{{\text{Schiff's base}}} $

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

More "M.C.Q (1 Marks)" from 9. Amines→9. Amines — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

When sucrose is heated with conc. $HN{O_3}$ the product is
→
Which of the following is a $\pi $- complex
→
$CH_3-NH_2$ $\xrightarrow{{HN{O_2}}}$
→
Ethanol can be prepared more easily by which reaction ?
$(i)\, CH_3CH_2Br + H_2O \longrightarrow CH_3CH_2OH$
$(ii)\, CH_3CH_2Br + Ag_2O\, (in\, boiling\, water) \longrightarrow CH_3CH_2OH$
→
The incorrect order is
→
Correct increasing order of spin magnetic moment (in $B.M.$) for complexes for

$(I) [FeF_6]^{-3}$

$(II) [V(H_2O)_6]^{+2}$

$(III) [Fe(H_2O)_6]^{+2}$

→
Which of the following curve represent a first order reaction
→
$\begin{matrix}
   C{{H}_{3}}\,\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}-C-CH-C{{H}_{3}}  \\
   |\,\,\,\,\,\,\,\,\,|\,\,\,\,  \\
   C{{H}_{3}}\,Br\,\,  \\
\end{matrix}\xrightarrow[\Delta ]{EtOH}(A)$

Major product $(A)$ is

→
$[Co(NH_3)_4(NO_2)_2]Cl$ exhibits
→
The nitrogen oxide(s) that contain$(s)$ $\mathrm{N}-\mathrm{N}$ bond$(s)$ is$(are)$

$(A)$ $\mathrm{N}_2 \mathrm{O}$ $(B)$ $\mathrm{N}_2 \mathrm{O}_3$ $(C)$ $\mathrm{N}_2 \mathrm{O}_4$ $(D)$ $\mathrm{N}_2 \mathrm{O}_5$

→