1
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25

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

A
the same with 2, 0 and 1 lone pairs of electrons on the central atoms, respectively.
B
the same with 1, 1 and 1 lone pairs of electrons on the central atoms, respectively.
C
different with 0, 1 and 2 lone pairs of electrons on the central atoms, respectively.
D
different with 1, 0 and 2 lone pairs of electrons on the central atoms, respectively.
2
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25

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

A
NO$$_3^-$$
B
NO$$_2$$
C
NO$$_2^+$$
D
NO$$_2^-$$
3
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25

XeF2, NO2, HCN, ClO2, CO2.

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

A
XeF2, ClO2
B
CO2, NO2
C
HCN, NO2
D
ClO2, NO2
4
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25

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

A
Hydrogen bonds are stronger in water.
B
Hydrogen bonds are stronger in HF.
C
Hydrogen bonds are larger in number in HF.
D
Hydrogen bonds are larger in number in water.
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