1
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The plots of radial distribution functions for various orbitals of hydrogen atom against 'r' are given below :

JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Structure of Atom Question 104 English
The correct plot for 3s orbital is :
A
(B)
B
(A)
C
(C)
D
(D)
2
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify A in the given chemical reaction.

JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Hydrocarbons Question 73 English
A
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Hydrocarbons Question 73 English Option 1
B
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Hydrocarbons Question 73 English Option 2
C
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Hydrocarbons Question 73 English Option 3
D
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Hydrocarbons Question 73 English Option 4
3
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
$${I_2} + {H_2}{O_2} + 2O{H^ - } \to 2{I^ - } + 2{H_2}O + {O_2}$$
4
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
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