Difficult
Which of the following reactions gives $H_2C=C=C=CH_2$?
- A$CH_2Br-CBr=CH_2 \xrightarrow{Zn/CH_3OH}$
- B$HC \equiv C-CH_2-COOH \xrightarrow[40^{\circ}C]{Aq. K_2CO_3}$
- C$CH_2Br-C \equiv C-CH_2Br \xrightarrow[\Delta]{Zn}$
- D$2CH_2=CH-CH_2I \xrightarrow{}$
Explore More
Similar Questions
What will be $X$ in the following reaction?
${C_2}{H_2} \xrightarrow[{HgSO_4 / H_2SO_4, 60^{\circ}C}]{{H_2O}} X \rightleftharpoons CH_3CHO$
${C_2}{H_2} \xrightarrow[{HgSO_4 / H_2SO_4, 60^{\circ}C}]{{H_2O}} X \rightleftharpoons CH_3CHO$
Difficult
View SolutionThe simplest alkyne is represented by which of the following?
Easy
View SolutionOxidation of propyne with $SeO_2$ gives ....
Difficult
View SolutionWhich is represented by the formula $C_n H_{2n - 2}$?
Medium
View SolutionThe major product of the following reaction is $P$. Number of oxygen atoms present in product $P$ is $. . . . . . . . . . . (nearest integer)$.
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo