Download App

Amines — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
MCQ
Which of the following represents the correct order of basic strength?.
  • ✓
    Aniline $>$ diphenylaniline $>$ triphenylaniline.
  • B
    Triphenylaniline $>$ diphenylaniline $>$ aniline.
  • C
    Triphenylaniline $>$ aniline $>$ diphenylaniline.
  • D
    Aniline $>$ triphenylaniline $>$ diphenylaniline.
✓

Answer

Correct option: A.
Aniline $>$ diphenylaniline $>$ triphenylaniline.
The following represents the correct order of basic strength
aniline $>$ diphenylaniline $>$ triphenylaniline
When hydrogen atoms of the amino group of arylamines are replaced by electron withdrawing phenyl groups, the basic character of the resulting amine decreases.

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 Amines→Amines — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - C{H_3}} \\ 
  {\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3}\,\,\,} 
\end{array}$ $\xrightarrow[{\left( {Cold} \right)}]{{HI}}$ Product is
→
Which reaction is correct in the conversion of chloroform to acetylene
→
The change in optical rotation, with time, of freshly prepared solution of sugar is known as
→
Ethyl bromide reacts with lead-sodium alloy to form
→
The transition metal having highest $3^{\text {rd }}$ ionisation enthalpy is :
→
Which of the following statements are INCORRECT?

$A$. All the transition metals except scandium form $MO$ oxides which are ionic.

$B$. The highest oxidation number corresponding to the group number in transition metal oxides is attained in $Sc _2 O _3$ to $Mn _2 O _7$.

$C$. Basic character increases from $V _2 O _3$ to $V _2 O _4$ to $V _2 O _5$.

$D$. $V _2 O _4$ dissolves in acids to give $VO _4^{3-}$ salts.

$E$. $CrO$ is basic but $Cr _2 O _3$ is amphoteric.

Choose the correct answer from the options given below:

→
Which of the following do not give aliphatic primary amine as product
→
$KMnO_4$ (acidified) $+ HCl \rightarrow H_2O + X(g),$ $X$ is a
→
Compound $A$ from the following reaction sequence is: 

 

→
The correct acidity order of the following is
→