MCQ
Sodium ethoxide is a specific reagent for
- ADehydration
- BDehydrogenation
- ✓Dehydrohalogenation
- DDehalogenation
✓
Answer
Correct option: C.
Dehydrohalogenation
c
(c) $C{H_3} - C{H_2} - C{H_2} - Br\mathop {}\limits_{{\rm{}}} $ $ \xrightarrow[C_2H_5ONa]{Dehydro halogenati on } $ $C{H_3} - CH = C{H_2} + HBr$
(c) $C{H_3} - C{H_2} - C{H_2} - Br\mathop {}\limits_{{\rm{}}} $ $ \xrightarrow[C_2H_5ONa]{Dehydro halogenati on } $ $C{H_3} - CH = C{H_2} + HBr$
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 linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals
→$A$. have the same energy
$B$. have the minimum overlap
$C$. have same symmetry about the molecular axis
$D$. have different symmetry about the molecular axis
Choose the most appropriate from the options given below:
A solution has $pH = 5$, it is diluted $100 $ times, then it will become
→Which pair of elements can from multiple bond with itself and oxygen?
What is correct about product ?
Product $(A)$ of the reaction is
→Given below are two statements :
→Statement $I :$ The esterification of carboxylic acid with an alcohol is a nucleophilic acyl substitution.
Statement $II :$ Electron withdrawing groups in the carboxylic acid will increase the rate of esterification reaction.
Choose the most appropriate option
If an atom has electronic configuration $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}3{d^3}4{s^2},$ it will be placed in
→Match List$-I$ with List$-II$.
→| List$-II$ | List$-II$ |
| $(a)$ ${PCl}_{5}$ | $(i)$ Square pyramidal |
| $(b)$ ${SF}_{6}$ | $(ii)$ Trigonal planar |
| $(c)$ ${BrF}_{5}$ | $(iii)$ Octahedral |
| $(d)$ ${BF}_{3}$ | $(iv)$ Trigonal bipyramidal |
Choose the correct answer from the options given below.
For the chemical reaction $X\, \rightleftharpoons \,Y,$ the standard reaction Gibbs energy depends on temperature $T$ (in $K$ ) as
→${\Delta _r}{G^o}$ (in $kJ\,mol^{-1}$) $=120-\frac {3}{8}\,T$
The major component of the reaction mixture at $T$ is
The most basic among these hydroxides, is