HARD
JEE Advanced
IMPORTANT
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Assuming mixing is NOT operative, the paramagnetic species among the following is
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Important Questions on Chemical Bonding and Molecular Structure
HARD
JEE Advanced
IMPORTANT
Based on the compounds of group 15 elements, the correct statement(s) is (are)
MEDIUM
JEE Advanced
IMPORTANT
The compound(s) with two lone pairs of electrons on the central atom is (are)
HARD
JEE Advanced
IMPORTANT
Hydrogen bonding plays a central role in the following phenomena:
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JEE Advanced
IMPORTANT
According to Molecular Orbital Theory,
MEDIUM
JEE Advanced
IMPORTANT
Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent dipole moment at room temperature.
MEDIUM
JEE Advanced
IMPORTANT
The colour of the molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -
