MCQ
Identify the correct reactivity order for $E_2$ reaction with alc. $KOH$
- A$i > ii > iii$
- ✓$ii > i > iii$
- C$i > iii > ii$
- D$iii > i > ii$
✓
Answer
Correct option: B.
$ii > i > iii$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The first order rate constant for the decomposition of $\mathrm{CaCO}_{3}$ at $700\, \mathrm{~K}$ is $6.36 \times 10^{-3}\, \mathrm{~s}^{-1}$ and activation energy is $209\, \mathrm{~kJ} \,\mathrm{~mol}^{-1}$. Its rate constant (in $\mathrm{s}^{-1}$ ) at $500\, \mathrm{~K}$ is $\mathrm{x} \times 10^{-6}$. The value of $\mathrm{x}$ is ..... . Nearest integer)
→Given $\mathrm{R}=8.31\, \mathrm{~J} \,\mathrm{~K}^{-1} \,\mathrm{~mol}^{-1} ; \log 6.36 \times 10^{-3}=-2.19$ $\left.10^{-4.79}=1.62 \times 10^{-5}\right]$
Which of the following is true for given reaction
→$R - H + {X_2}\xrightarrow{{hv}}R - X + H - X$
The labelled $-O^{18}$ will be in
→The major product of the following reaction is
→$\,\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_2} - CH - C{H_2} - C{H_3}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{\,\,\,\,\,\,\,\,\,Br\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Br\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow[{heat}]{{KOH,\,C{H_3}OH}}$
Match complex ion (in List $I$) with number of unpaired electrons (in List $II$)
→| List-$I$ | List-$II$ | ||
| $A$ | $[Fe(H_2O)_6]^{2+}$ | $P$ | $0$ |
| $B$ | $[Fe(H_2O)_6]^{3+}$ | $Q$ | $1$ |
| $C$ | $[Fe(CN)_6]^{4-}$ | $R$ | $2$ |
| $D$ | $[Fe(CN)_6]^{3-}$ | $S$ | $4$ |
| $E$ | $[Ni(H_2O)_4]^{2+}$ | $T$ | $5$ |
$A$ $||$ $B$ $||$ $C$ $||$ $D$ $||$ $E$
Which of the following acid possesses oxidising, reducing and complex forming properties
The unit of equivalent conductivity is
End product $(C )$ of the reaction is
→The correct increasing order of trans-effect of the following species is
Thiamine and pyridoxine are also known respectively as :