Competishun Header
[jee_simple_nav]
JEE MAIN 2024
31.01.24_(S1)
Question
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: pK_a value of phenol is 10.0 while that of ethanol is 15.9 . Reason R: Ethanol is stronger acid than phenol. In the light of the above statements, choose the correct answer from the options given below:
Select the correct option:
A
A is true but R is false.
B
A is false but R is true.
C
Both A and R are true and R is the correct explanation of A.
D
Both A and R are true but R is NOT the correct explanation of A.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Phenol is more acidic than ethanol because conjugate base of phenoxide is more stable than ethoxide.
Question Tags
JEE Main
Chemistry
Easy
Start Preparing for JEE with Competishun
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advance 20082008
Properties such as boiling point, freezing point and vapour pressure of a pure solvent change when solute molecules are added...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20082008
Properties such as boiling point, freezing point and vapour pressure of a pure solvent change when solute molecules are added...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20082008
Properties such as boiling point, freezing point and vapour pressure of a pure solvent change when solute molecules are added...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20082008
Consider the lines $$ \begin{aligned} & L_1: \frac{x+1}{3}=\frac{y+2}{1}=\frac{z+1}{2} \\ & L_2: \frac{x-2}{1}=\frac{y+2}{2}=\frac{z-3}{3} \end{aligned} $$
The distance of the point...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Consider the lines $$ \begin{aligned} & L_1: \frac{x+1}{3}=\frac{y+2}{1}=\frac{z+1}{2} \\ & L_2: \frac{x-2}{1}=\frac{y+2}{2}=\frac{z-3}{3} \end{aligned} $$
The shortest distance between $\mathrm{L}_1$...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Consider the lines $$ \begin{aligned} & L_1: \frac{x+1}{3}=\frac{y+2}{1}=\frac{z+1}{2} \\ & L_2: \frac{x-2}{1}=\frac{y+2}{2}=\frac{z-3}{3} \end{aligned} $$
The unit vector perpendicular to...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Suppose four distinct positive numbers $\mathrm{a}_1, \mathrm{a}_2, \mathrm{a}_3, \mathrm{a}_4$ are in G.P. Let $\mathrm{b}_1=\mathrm{a}_1, \mathrm{~b}_2=\mathrm{b}_1+\mathrm{a}_2, \mathrm{~b}_3=\mathrm{b}_2+ \mathrm{a}_3$ and $\mathrm{b}_4=\mathrm{b}_3+\mathrm{a}_4$. STATEMENT-1:...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult...
JEE AdvanceChemistryEasy
View Solution
QJEE ADVANCE 20112011
Match the statements given in Column I with the intervals/union of intervals given in Column II
JEE AdvanceMathematicsEasy
View Solution
QJEE ADVANCE 20112011
Match the statements given in Column I with the values given in Column II
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Let a solution $y=y(x)$ of the differential equation $x \sqrt{x^2-1} d y-y \sqrt{y^2-1} d x=0$ satisfy $y(2)=\frac{2}{\sqrt{3}}$. STATEMENT-1 : $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20082008
Consider $$ \begin{aligned} & L_1: 2 x+3 y+p-3=0 \\ & L_2: 2 x+3 y+p+3=0 \end{aligned} $$ where $p$ is a...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult...
JEE AdvanceChemistryEasy
View Solution
QJEE ADVANCE 20112011
Let M be a $3 \times 3$ matrix satisfying $$ \mathbf{M}\left[\begin{array}{l} 0 \\ 1 \\ 0 \end{array}\right]=\left[\begin{array}{c} -1 \\ 2...
JEE AdvanceMathematicsEasy
View Solution
QJEE ADVANCE 20112011
Let $y^{\prime}(x)+y(x) g^{\prime}(x)=g(x) g^{\prime}(x), y(0)=0, x \in \mathbb{R}$, where $f^{\prime}(x)$ denotes $\frac{d f(x)}{d x}$ and $g(x)$ is a given nonconstant...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
Let $a, b, c, p, q$ be real numbers. Suppose $\alpha, \beta$ are the roots of the equation $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20082008
STATEMENT-1: $\quad \mathrm{Pb}^{4+}$ compounds are stronger oxidizing agents than $\mathrm{Sn}^{4+}$ compounds. and STATEMENT-2: The higher oxidation states for the group...
JEE AdvanceChemistryEasy
View Solution