MCQ
Transition state of given $S_{N^2}$ is
  • A

  • B

  • C


Answer

Correct option: D.

d

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

Which of the following is correct structure of $L$ -alanine ?
Which is an amphoteric oxide
$'A'$ and $'B'$ respectively are:

$A \xrightarrow[\left( 2 \right)Zn-{{H}_{2}}O]{\left( 1 \right){{O}_{3}}}$ Ethane$-1,2-$dicarbaldehyde $+$ Glyoxal$/$Oxaldehyde

$B \xrightarrow[\left( 2 \right)Zn-{{H}_{2}}O]{\left( 1 \right){{O}_{3}}} 5-$oxohexanal

Which of the following salt cannot be possible
Product $(D)$ is

$\begin{array}{*{20}{c}}
  {\,\,\,\,\,O} \\ 
  {\,\,\,\,\,||} \\ 
  {HOC{H_2}C{H_2} - C - OC{H_2}C{H_3}} 
\end{array}$ $\xrightarrow{{PCC}}(A)\,\xrightarrow[{(1\,\,molar\,\,equivalent)}]{{{H_2}C \equiv CHMgBr}}(B)$ $\xrightarrow{{N{H_4}Cl\,/\,{H_2}O}}\,(C)\,\,\xrightarrow[{{H_2}O}]{{KOH}}\,$ $\xrightarrow{{{H_3}{O^ \oplus }}}\,\,\xrightarrow[{pyridine}]{{\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {{{(C{H_3} - C)}_2}O} 
\end{array}}}(D)$

The hydroxides of $II^{nd}$ $A$ metal at $25\,^oC$ ,lowest value of solubility product $(Ksp)$ ?
The instantaneous rate of disappearance of $MnO_4^-$ ion in the following reaction is $4.56 \times 10^{-3}\, Ms^{-1}$

$2MnO_4^ -  + 10{I^ - } + 16{H^ + } \to 2M{n^{2 + }} + 5{I_2} + 8{H_2}O$

The rate of appearance $I_2$ is......$\times {10^{ - 2}}\,M{s^{ - 1}}$

Consider the given figure and choose the correct option :
Image
For the reaction $2 Fe ^{3+}( aq )+2 I ^{-}( aq ) \rightarrow 2 Fe ^{2+}( aq )+ I _{2}( s )$ the magnitude of the standard molar free energy change, $\Delta_{ r } G _{ m }^{\circ}= - ........... kJ \ ($Round off to the Nearest Integer$).\ \left[ E _{ Fe ^{2+} / Fe ( s )}^{ o }=-0.440 V ; E _{ Fe ^{3+} / Fe ( s )}^{\circ}=-0.036 V \ E _{ I _{2} / 2 I ^{-}}^{ o }=0.539 V ; F =96500\, C \right]$
Assign $A, B, C, D$ from given type of reaction. $Sn + PC{l_5}\xrightarrow{\Delta }SnC{l_4} + PC{l_3}$