WB JEE 2023 | Chemical Bonding Question 1 | Chemistry

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

The molecular shapes of SF$$_4$$, CF$$_4$$ and XeF$$_4$$ are

the same with 2, 0 and 1 lone pairs of electrons on the central atoms, respectively.

the same with 1, 1 and 1 lone pairs of electrons on the central atoms, respectively.

different with 0, 1 and 2 lone pairs of electrons on the central atoms, respectively.

different with 1, 0 and 2 lone pairs of electrons on the central atoms, respectively.

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

The species in which nitrogen atom is in a state of sp hybridisation is

NO$$_3^-$$

NO$$_2$$

NO$$_2^+$$

NO$$_2^-$$

WB JEE 2022

MCQ (Single Correct Answer)

-0.25

XeF₂, NO₂, HCN, ClO₂, CO₂.

Identify the non-linear molecule-pair from the above mentioned molecules.

XeF₂, ClO₂

CO₂, NO₂

HCN, NO₂

ClO₂, NO₂

WB JEE 2022

MCQ (Single Correct Answer)

-0.25

The boiling point of the water is higher than liquid HF. The reason is that

Hydrogen bonds are stronger in water.

Hydrogen bonds are stronger in HF.

Hydrogen bonds are larger in number in HF.

Hydrogen bonds are larger in number in water.

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