MCQ
(figure) $\xrightarrow[{EtOH}]{{KOH}}X,X$ is
- A
- B
- ✓
- D
✓
Answer
Correct option: C.
c
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
Newman projections $P , Q , R$ and $S$ are shown below :
→Which one of the following options represents identical molecules?
$A = 1s^2\, 2s^2\, 2p^4$ $B = 1s^2\, 2s^2\, 2p^5$ $C = 1s^2\, 2s^2\, 2p^6$
$A, B$ and $C$ are atoms/anion of same element. Then which one is correct (One of $A/B/C$ is neutral atom)
→$A, B$ and $C$ are atoms/anion of same element. Then which one is correct (One of $A/B/C$ is neutral atom)
$A\underset{\Delta }{\mathop{\xleftarrow{Cu}}}\,C{{H}_{3}}C{{H}_{2}}OH\underset{\Delta }{\mathop{\xrightarrow{A{{l}_{2}}{{O}_{3}}}}}\,B.$ $A$ and $B$ respectively are
→Which statement about the following equilibrium is true ?
A transition element $X$ has a configuration $\left[ {Ar} \right]3{d^4}$ in its $+ 3 $ oxidation state. Its atomic number is
→Thermal decomposition of $AgNO _3$ produces two paramagnetic gases. The total number of electrons present in the antibonding molecular orbitals of the gas that has the higher number of unpaired electrons is. . . . .
→Acidic dehydration of alcohol involves
Which pair show cis-trans isomerism
Which of the following statement is wrong ?
Match the following:
→| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{CH}_3-\mathrm{CHBr}-\mathrm{CD}_3$ on treatment with alc. $\mathrm{KOH}$ gives $\mathrm{CH}_2=\mathrm{CH}-\mathrm{CD}_3$ as a major product. | $(P)$ $E1$ reaction |
| $(B)$ $\mathrm{Ph}-\mathrm{CHBr}-\mathrm{CH}_3$ reacts faster than $\mathrm{Ph}-\mathrm{CHBr}-\mathrm{CD}_3$. | $(Q)$ $E2$ reaction |
| $(C)$ $\mathrm{Ph}-\mathrm{CH}_2-\mathrm{CH}_2 \mathrm{Br}$ on treatment with $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OD} / \mathrm{C}_2 \mathrm{H}_5 \mathrm{O}^{-}$ gives $\mathrm{Ph}-\mathrm{CD}=\mathrm{CH}_2$ as the major product. | $(R)$ $E1$ cb reaction |
| $(D)$ $\mathrm{PhCH}_2 \mathrm{CH}_2 \mathrm{Br}$ and $\mathrm{PhCD}_2 \mathrm{CH}_2 \mathrm{Br}$ react with same rate. | $(S)$ First order reaction |