1
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The compounds which give positive Fehling's test are :

JEE Main 2025 (Online) 22nd January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English

Choose the correct answer from the options given below :

A
(A), (C) and (D) Only
B
(A), (B) and (C) Only
C
(A), (D) and (E) Only
D
(C), (D) and (E) Only
2
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II.

List - I List - II
(A) $\mathrm{Al}^{3+}<\mathrm{Mg}^{2+}<\mathrm{Na}^{+}<\mathrm{F}^{-}$ (I) Ionisation Enthalpy
(B) $\mathrm{B}<\mathrm{C}<\mathrm{O}<\mathrm{N}$ (II) Metallic character
(C) $\mathrm{B}<\mathrm{Al}<\mathrm{Mg}<\mathrm{K}$ (III) Electronegativity
(D) $\mathrm{Si}<\mathrm{P}<\mathrm{S}<\mathrm{Cl}$ (IV) Ionic radii

Choose the correct answer from the options given below :

A
(A)-(IV), (B)-(I), (C)- (II), (D)-(III)
B
(A)-(III), (B)-(IV), (C)- (II), (D)-(I)
C
(A)-(II), (B)-(III), (C)- (IV), (D)-(I)
D
(A)-(IV), (B)-(I), (C)- (III), (D)-(II)
3
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A vessel at 1000 K contains $\mathrm{CO}_2$ with a pressure of 0.5 atm . Some of $\mathrm{CO}_2$ is converted into CO on addition of graphite. If total pressure at equilibrium is 0.8 atm , then Kp is :

A
0.18 atm
B
0.3 atm
C
3 atm
D
1.8 atm
4
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A solution of aluminium chloride is electrolysed for 30 minutes using a current of 2 A . The amount of the aluminium deposited at the cathode is __________ .

[Given : molar mass of aluminium and chlorine are $27 \mathrm{~g} \mathrm{~mol}^{-1}$ and $35.5 \mathrm{~g} \mathrm{~mol}^{-1}$ respectively. Faraday constant $\left.=96500 \mathrm{C} \mathrm{~mol}^{-1}\right]$

A
1.660 g
B
1.007 g
C
0.336 g
D
0.441 g
JEE Main Papers
2023
2021
EXAM MAP