1
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following equation depicts the oxidizing nature of H2O2?
A
$$C{l_2} + {H_2}{O_2} \to 2HCl + {O_2}$$
B
$$KI{O_4} + {H_2}{O_2} \to KI{O_3} + {H_2}O + {O_2}$$
C
$$2{I^ - } + {H_2}{O_2} + 2{H^ + } \to {I_2} + 2{H_2}O$$
D
$${I_2} + {H_2}{O_2} + 2O{H^ - } \to 2{I^ - } + 2{H_2}O + {O_2}$$
2
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : CeO2 can be used for oxidation of aldehydes and ketones.

Statement II : Aqueous solution of EuSO4 is a strong reducing agent.

In the light of the above statements, choose the correct answer from the options given below :
A
Statement I is true but Statement II is false.
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
3
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Given below are two statements :

Statement I : An allotrope of oxygen is an important intermediate in the formation of reducing smog.

Statement II : Gases such as oxides of nitrogen and sulphur present in troposphere contribute to the formation of photochemical smog.

In the light of the above statements, choose the correct answer from the options given below :
A
Statement I is false but Statement II is true
B
Both Statement I and Statement II are false
C
Both Statement I and Statement II are true
D
Statement I is true but Statement II is false
4
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution is/are :

JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 112 English
A
C only
B
B only
C
B and C only
D
A and B only
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