1
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The plot of $$\mathrm{pH}$$-metric titration of weak base $$\mathrm{NH}_{4} \mathrm{OH}$$ vs strong acid HCl looks like :

A
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Ionic Equilibrium Question 29 English Option 1
B
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Ionic Equilibrium Question 29 English Option 2
C
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Ionic Equilibrium Question 29 English Option 3
D
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Ionic Equilibrium Question 29 English Option 4
2
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : For KI, molar conductivity increases steeply with dilution

Statement II : For carbonic acid, molar conductivity increases slowly with dilution

In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
3
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Outermost electronic configurations of four elements A, B, C, D are given below :

(A) $$3 s^{2}$$

(B) $$3 s^{2} 3 p^{1}$$

(C) $$3 s^{2} 3 p^{3}$$

(D) $$3 s^{2} 3 p^{4}$$

The correct order of first ionization enthalpy for them is :

A
(A) < (B) < (C) < (D)
B
(B) < (A) < (D) < (C)
C
(B) < (D) < (A) < (C)
D
(B) < (A) < (C) < (D)
4
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In neutral or alkaline solution, $$\mathrm{MnO}_{4}^{-}$$ oxidises thiosulphate to :

A
$$\mathrm{S}_{2} \mathrm{O}_{7}^{2-}$$
B
$$\mathrm{S}_{2} \mathrm{O}_{8}^{2-}$$
C
$$\mathrm{SO}_{3}^{2-}$$
D
$$\mathrm{SO}_{4}^{2-}$$
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