Competishun Header
Competishun
Contact Us
Back

Report Issue

JEE MAIN 2022
25-06-2022 S2
Question
Given below are two statements one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A : The amphoteric nature of water is explained by using Lewis acid/base concept.
Reason R : Water acts as an acid with $\mathrm{NH}_3$ and as a base with $\mathrm{H}_2 \mathrm{~S}$.
In the light of the above statements choose the correct answer from the options given below
Select the correct option:
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is NOT the correct explanation of A.
C
A is true but R is false
D
A is false but R is true.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Chemistry
Hard
Start Preparing for JEE with Competishun
YouTube
Books
App
Tests
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advance 20122012
Let $a_1, a_2, a_3, \ldots$. be in harmonic progression with $a_1=5$ and $a_{20}=25$. The least positive integer $n$ for which...
JEE AdvanceMathematicsEasy
View Solution→
QJEE ADVANCE 20102010
Plots showing the variation of the rate constant ( $k$ ) with temperature ( $T$ ) are given below. The...
JEE AdvanceChemistryEasy
View Solution→
QJEE Advance 20132013
Of the three independent events $\mathrm{E}_1, \mathrm{E}_2$ and $\mathrm{E}_3$, the probability that only $\mathrm{E}_1$ occurs is $\alpha$, only $\mathrm{E}_2$ occurs...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
A box $B_1$ contains 1 white ball, 3 red balls and 2 black balls. Another box $B_2$ contains 2 white...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
Consider the set of eight vectors $V=\{a \hat{i}+b \hat{j}+c \hat{k}: a, b, c \in\{-1,1\}\}$. Three non-coplanar vectors can be chosen...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20122012
If P is a $3 \times 3$ matrix such that $\mathrm{P}^{\top}=2 \mathrm{P}+\mathrm{I}$, where $\mathrm{P}^{\top}$ is the transpose of P and...
JEE AdvanceMathematicsEasy
View Solution→
QJEE ADVANCE 20102010
The correct statement about the following disaccharide is
JEE AdvanceChemistryEasy
View Solution→
QJEE Advance 20132013
A box $B_1$ contains 1 white ball, 3 red balls and 2 black balls. Another box $B_2$ contains 2 white...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20122012
The value of the integral $\int_{-\pi / 2}^{\pi / 2}\left(x^2+\ell \ln \frac{\pi+x}{\pi-x}\right) \cos x d x$ is
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
The coefficients of three consecutive terms of $(1+x)^{n+5}$ are in the ratio $5: 10: 14$. Then $n=$
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
A vertical line passing through the point $(h, 0)$ intersects the ellipse $\frac{x^2}{4}+\frac{y^2}{3}=1$ at the points $P$ and $Q$. Let...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20122012
Four fair dice $\mathrm{D}_1, \mathrm{D}_2, \mathrm{D}_3$ and $\mathrm{D}_4$ each having six faces numbered $1,2,3,4,5$ and 6 are rolled simultaneously. The...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
Let $S=S_1 \cap S_2 \cap S_3$, where $$ \begin{aligned} & S_1=\{z \in C:|z|<4\}, S_2=\left\{z \in C: \operatorname{Im}\left[\frac{z-1+\sqrt{3} i}{1-\sqrt{3} i}\right]>0\right\} \text...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
For 3×3 matrices M and N, which of the following statement(s) is (are) NOT correct?
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
Let $S=S_1 \cap S_2 \cap S_3$, where $$ \begin{aligned} & S_1=\{z \in C:|z|<4\}, S_2=\left\{z \in C: \operatorname{Im}\left[\frac{z-1+\sqrt{3} i}{1-\sqrt{3} i}\right]>0\right\} \text...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20132013
Let $f(x)=x \sin \pi x, x>0$. Then for all natural numbers $n, f^{\prime}(x)$ vanishes at
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20122012
Let $P Q R$ be a triangle of area $\triangle$ with $a=2, b=\frac{7}{2}$ and $c=\frac{5}{2}$, where $a, b$ and $c$...
JEE AdvanceMathematicsEasy
View Solution→
QJEE ADVANCE 20102010
The synthesis of 3 – octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an...
JEE AdvanceChemistryEasy
View Solution→