MCQ
Which of the following is most basic
  • A
    ${C_6}{H_5}N{H_2}$
  • ${(C{H_3})_2}NH$
  • C
    ${(C{H_3})_3}N$
  • D
    $N{H_3}$

Answer

Correct option: B.
${(C{H_3})_2}NH$
b
It’s obvious.

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

Similar questions

The dimesisation of $NO_2$ is accompanied with
Given below are two statements:
Statement I: In group 13, the stability of +1 oxidation state increases down the group.
Statement II: The atomic size of gallium is greater than that of aluminium.
In the light of the above statements, choose the most appropriate answer from the options given below:
One mole of $N_2O_4(g)$ at $300\,K$ is kept in closed container under one atmosphere. It is heated to $600\,K$ when $20\%$ of $N_2O_4(g)$ decomposes to $NO_2(g)$. The resultant pressure at $600\,K$ is .....$atm$
The atomic number of an element is always equal to
carbon-carbon double bond length will be maximum in which of the following compounds ?
Assertion : Alkyl isocyanides in acidified water give alkyl formamides.
Reason : In isocyanides, carbon first acts as a nucleophile and then as an electrophile
A litre of buffer solution contains $0.1$ mole of each of $NH _3$ and $NH _4 Cl$. On the addition of $0.02\,mole$ of $HCl$ by dissolving gaseous $HCl$, the $pH$ of the solution is found to be $......\times 10^{-3}($ Nearest integer)

$\left[\right.$ Given : $pK _{ b }\left( NH _3\right)=4.745$

$\log 2=0.301$

$\log 3=0.477$

$T =298\,K ]$

The vapour pressure of water at room temperature is $23.8\, mm\, Hg$. The vapour pressure of an aqueous solution of sucrose with mole fraction of $0.1$ is equal to .......... $mm\, Hg$.
The correct order of boiling point is
For the reaction

$H _{2} F _{2( g )} \rightarrow H _{2( g )}+ F _{2( g )}$

$\Delta U =-59.6\,kJ\,mol ^{-1} \text { at } 27^{\circ}\,C$.

The enthalpy change for the above reaction is (-) $kJ mol ^{-1}$ [nearest integer] Given : $R =8.314\,JK ^{-1}\,mol ^{-1}$