MCQ
Correct reactivity order of $S_N2$ reaction is
  • $(i) > (ii) > (iii)$
  • B
    $(ii) > (iii) > (i) $
  • C
    $(i) > (iii) > (ii)$
  • D
    $(iii) > (i) > (ii)$

Answer

Correct option: A.
$(i) > (ii) > (iii)$
a

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

${K_{sp}}$ value of $Al\,{(OH)_3}$ and $Zn\,{(OH)_2}$ are $8.5 \times {10^{ - 23}}$ and $1.8 \times {10^{ - 14}}$ respectively. If $N{H_4}OH$ is added in a solution of $A{l^{3 + }}$ and $Z{n^{2 + }},$ which will precipitate earlier
The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds 
A mixture of camphor and benzoic acid can be separated by
$L-$isomer of a compound $'A'$ $\left( C _{4} H _{8} O _{4}\right)$ gives a positive test with $\left[ Ag \left( NH _{3}\right)_{2}\right]^{+}$. Treatment of $'A'$ with acetic anhydride yield triacetate derivative. Compound $'A'$ produces an optically active compound $(B)$ and an optically inactive compound $(C)$ on treatment with bromine water and $HNO _{3}$ respectively, compound $( A )$ is ....
The correct sequence of reagents used in the preparation of $4 -$bromo$-2-$nitroethyl benzene from benzene is :
In which of the following acids, $P-P$ bonds is present?
$RNA$ and $DNA$ are chiral molecules, their chirality is due to
Compound $A$ used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound $A$ is
The electronic configuration (outermost) of $M{n^{ + 2}}$ ion (atomic number of $Mn = 25$) in its ground state is
The values of $\Delta H$ and $\Delta S$ for the reaction,

$C_{(graphite)} + CO_{2(g)} \rightarrow 2CO _{(g)}$

are $170\, kJ$ and $170\, J K^{-1},$ respectively. This reaction will be spontaneous at ............ $\mathrm{K}$