Competishun Header

Report Issue

JEE MAIN 2019
09-04-2019 - S1
Question
The major product of the following reaction is
$\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH} \xrightarrow[\text { (ii)DI }]{\text { (i)DCl (1equiv.) }}$
Select the correct option:
A
$\mathrm{CH}_3 \mathrm{C}(\mathrm{I})(\mathrm{Cl}) \mathrm{CHD}_2$
B
$\mathrm{CH}_3 \mathrm{CD}(\mathrm{I}) \mathrm{CHD}(\mathrm{Cl})$
C
$\mathrm{CH}_3 \mathrm{CD}(\mathrm{Cl}) \mathrm{CHD}(\mathrm{l})$
D
$\mathrm{CH}_3 \mathrm{CD}_2 \mathrm{CH}(\mathrm{Cl})(\mathrm{I})$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Chemistry
Easy
Start Preparing for JEE with Competishun
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
Q JEE MAIN 20262026
Given below are two statements
Statement I: $\mathrm{H}_2 \mathrm{O}$ molecules move from the chamber 1 to chamber 2 .
Statement II:...
JEE MainChemistryMedium
View Solution
QJEE MAIN 20232023
If $m$ and $n$ respectively are the numbers of positive and negative value of $\theta$ in the interval $[-\pi, \pi]$...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Suppose Anil's mother wants to give 5 whole fruits to Anil from a basket of 7 red apples, 5 white...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $a \in R$ and let $\alpha, \beta$ be the roots of the equation $x^2+60^{1 / 4} x+a=0$. If $\alpha^4+\beta^4=-30$,...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Points $\mathrm{P}(-3,2), \mathrm{Q}(9,10)$ and $\mathrm{R}(\alpha, 4)$ lie on a circle C with PR as its diameter. The tangents to C...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
For the two positive numbers $a, b$, if $a, b$ and $\frac{1}{18}$ are in a geometric progression, while $\frac{1}{a}, 10$...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
The foot of perpendicular of the point $(2,0,5)$ on the line $\frac{x+1}{2}=\frac{y-1}{5}=\frac{z+1}{-1}$ is $(\alpha, \beta, \gamma)$. Then. Which of the...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $\vec{a}=-\hat{i}-\hat{j}+\hat{k}, \vec{a} \cdot \vec{b}=1$ and $\vec{a} \times \vec{b}=\hat{i}-\hat{j}$. Then $\vec{a}-6 \vec{b}$ is equal to
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $T$ and $C$ respectively be the transverse and conjugate axes of the hyperbola $16 x^2-y^2+64 x+4 y+ 44=0$. Then...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
The integral $16 \int_1^2 \frac{\mathrm{dx}}{\mathrm{x}^3\left(\mathrm{x}^2+2\right)^2}$ is equal to
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let N be the sum of the numbers appeared when two fair dice are rolled and let the probability that...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
\text { The shortest distance between the lines } x+1=2 y=-12 z \text { and } x=y+2=6 z-6 \text {...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
\sum_{k=0}^6{ }^{51-k} \mathrm{C}_3 \text { is equal to }
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $y=y(t)$ be a solution of the differential equation $\frac{d y}{d t}+\alpha y=\gamma e^{-\beta t}$, Where, $\alpha>0, \beta>0$ and $\gamma>0$....
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $A, B, C$ be $3 \times 3$ matrices such that $A$ is symmetric and $B$ and $C$ are skew-symmetric....
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
Let $f: R \rightarrow R$ be a function defined by $f(x)=\log _{\sqrt{m}}\{\sqrt{2}(\sin x-\cos x)+m-2\}$, for some $m$, such that the...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
The equations of two sides of a variable triangle are $x=0$ and $y=3$, and its third side is a tangent...
JEE MainMathematicsEasy
View Solution
QJEE MAIN 20232023
The number of functions $f:\{1,2,3,4\} \rightarrow\{a \in Z:|a| \leq 8\}$ satisfying $f(n)+\frac{1}{n} f(n+1)=1, \forall n \in\{1,2,3\}$ is
JEE MainMathematicsEasy
View Solution