HARD
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IMPORTANT
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CaO and NaCl have the same crystal structure and approximately the same radii. If U is the lattice energy of NaCl, the approximate lattice energy of CaO is

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Important Questions on Chemical Bonding and Molecular Structure

MEDIUM
JEE Main/Advance
IMPORTANT
Ethanol has a higher boiling point than dimethyl ether though they have the same molecular weight. This is due to:
MEDIUM
JEE Main/Advance
IMPORTANT
The correct order of increasing X-O-X bond angle is: (X=H,F or Cl)
HARD
JEE Main/Advance
IMPORTANT
Which of the following has been arranged in order of increasing covalent character?
EASY
JEE Main/Advance
IMPORTANT
Rotation around the bond (between the underlined atoms) is restricted in :
EASY
JEE Main/Advance
IMPORTANT
The H bond in solid HF can be best represented as :
EASY
JEE Main/Advance
IMPORTANT
Which of the following statements is/are correct ?
HARD
JEE Main/Advance
IMPORTANT
Select the correct statement (s) about the compound NO [BF4] :