EASY
Earn 100
Formal charges do not indicate real charge separation within the molecule.
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Important Questions on Chemical Bonding and Molecular Structure
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Which of the following compounds contain(s) no covalent bond(s)?
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The numbers of lone pair and bond pairs in hydrazine are, respectively:
HARD
The lattice energies of and follow the order
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Give a reason for the following:
Ionic compounds have a high melting point.
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In the given electron dot structure, the formal charge on each nitrogen atom (respectively) from left to right is _______
EASY
What do you understand by a lone pair of electrons?
MEDIUM
Among the following molecules, the one with the largest bond angle at the central atom is
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Which of the following pair contains lone pair of electrons on the central atom?
MEDIUM
The formal charges of atoms and in the ion is
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The compound(s) with two lone pairs of electrons on the central atom is (are)
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Arrange the following compounds in increasing order of bond length: methanol, phenol, -ethoxyphenol
MEDIUM
In ozone molecule, the formal charge on the central oxygen atom is
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The compound having longest bond is:
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Total number of lone pair of electrons in ion is:
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The number of -bonds and -bonds present in naphthalene are respectively
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The intermolecular potential energy for the molecules , , and given below suggests that:
MEDIUM
The correct order of bond length is:
MEDIUM
Maximum bond angle at nitrogen is present in which of the following?
MEDIUM
The formal charge on central oxygen atom in ozone is
EASY
Which compound has both covalent as well as co-ordinate bonds?
