1
JEE Main 2022 (Online) 29th July Morning Shift
+4
-1

Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

A
$$\mathrm{BCl}_{3}$$ and $$\mathrm{SF}_{6}$$
B
$$\mathrm{NO}$$ and $$\mathrm{H}_{2} \mathrm{SO}_{4}$$
C
$$\mathrm{SF}_{6}$$ and $$\mathrm{H}_{2} \mathrm{SO}_{4}$$
D
$$\mathrm{BCl}_{3}$$ and $$\mathrm{NO}$$
2
JEE Main 2022 (Online) 29th July Morning Shift
+4
-1

Number of lone pairs of electrons in the central atom of $$\mathrm{SCl}_{2}, \mathrm{O}_{3}, \mathrm{ClF}_{3}$$ and $$\mathrm{SF}_{6}$$, respectively, are :

A
0, 1, 2 and 2
B
2, 1, 2 and 0
C
1, 2, 2 and 0
D
2, 1, 0 and 2
3
JEE Main 2022 (Online) 27th July Evening Shift
+4
-1

Match List - I with List - II.

List - I List - II
(A) $$\psi_{\mathrm{MO}}=\psi_{\mathrm{A}}-\psi_{\mathrm{B}}$$ (I) Dipole moment
(B) $$\mu=Q \times r$$ (II) Bonding molecular orbital
(C) $$\frac{\mathrm{N}_{\mathrm{b}}-\mathrm{N}_{\mathrm{a}}}{2}$$ (III) Anti-bonding molecular orbital
(D) $$\psi_{\mathrm{MO}}=\psi_{\mathrm{A}}+\psi_{\mathrm{B}}$$ (IV) Bond order

Choose the correct answer from the options given below :

A
$$(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{III})$$
B
$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{II})$$
C
$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{II})$$
D
$$(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{II}),(\mathrm{D})-(\mathrm{I})$$
4
JEE Main 2022 (Online) 27th July Morning Shift
+4
-1

Given below are two statements.

Statement I: $$\mathrm{O}_{2}, \mathrm{Cu}^{2+}$$, and $$\mathrm{Fe}^{3+}$$ are weakly attracted by magnetic field and are magnetized in the same direction as magnetic field.

Statement II: $$\mathrm{NaCl}$$ and $$\mathrm{H}_{2} \mathrm{O}$$ are weakly magnetized in opposite direction to magnetic field.

In the light of the above statements, choose the most appropriate answer from the options given below.

A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
JEE Main Subjects
Physics
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Modern Physics
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