MEDIUM
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Identify odd-electron molecules from the following:
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Important Questions on Chemical Bonding and Molecular Structure
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Which of the following species is a radical?
EASY
Which one of the following molecules contains an incomplete octet of the central atom?
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The number of molecules or ions from the following, which do not have odd number of electrons are _____ .
(A)
(B)
(C)
(D)
(E)
(F)
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The numbers of lone pair and bond pairs in hydrazine are, respectively:
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is well known but is not.Because,
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Maximum bond angle at nitrogen is present in which of the following?
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The set of molecules in which the central atom is not obeying the octet rule is
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Total number of lone pair of electrons in ion is:
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The oxide which contains an odd electron at the nitrogen atom is
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Number of electron deficient molecules among the following and is
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Among the following molecules, the one with the largest bond angle at the central atom is
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Which among the following is an electron deficient compound ?
HARD
The lattice energies of and follow the order
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The compound(s) with two lone pairs of electrons on the central atom is (are)
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Which of the following compounds contain(s) no covalent bond(s)?
EASY
What do you understand by a lone pair of electrons?
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Give a reason for the following:
Ionic compounds have a high melting point.
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Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?
EASY
Which of the following molecule does not obey octet rule?
EASY
Which compound has both covalent as well as co-ordinate bonds?
