JEE Main 2020 (Online) 9th January Evening Slot | Chemical Bonding & Molecular Structure Question 92 | Chemistry

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JEE Main 2020 (Online) 9th January Evening Slot

MCQ (Single Correct Answer)

-1

The number of sp² hybrid orbitals in a molecule of benzene is :

JEE Main 2020 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

If the magnetic moment of a dioxygen species is 1.73 B.M, it may be :

$$O_2^ - $$ or $$O_2^ + $$

O₂, $$O_2^ - $$ or $$O_2^ + $$

O₂ or $$O_2^ + $$

O₂ or $$O_2^ - $$

JEE Main 2020 (Online) 8th January Evening Slot

MCQ (Single Correct Answer)

-1

Arrange the following bonds according to their average bond energies in descending order :
C–Cl, C–Br, C–F, C–I

C–Br > C–I > C–Cl > C–F

C–Cl > C–Br > C–I > C–F

C–I > C–Br > C–Cl > C–F

C–F > C–Cl > C–Br > C–I

JEE Main 2020 (Online) 8th January Morning Slot

MCQ (Single Correct Answer)

-1

The number of bonds between sulphur and oxygen atoms in S₂O₈^2- and the number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively, are :

4 and 8

8 and 6

4 and 6

8 and 8

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