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Earn 100
Consider the following statements and give the answer:
Statement-1: exist but does not exist.
Statement-2: cannot form five bond by expanding its octet while ‘N’ can expand its octet to form five bonds.
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Important Questions on Chemical Bonding and Molecular Structure
EASY
Which of the following sets has Lewis acid behaviour for all the components ?
EASY
Which among the following is an electron deficient compound ?
EASY
The ion that is isoelectronic with is
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is well known but is not.Because,
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Which of the following pair contains lone pair of electrons on the central atom?
HARD
The number of lone pairs present in and respectively, are
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Which of the following molecule does not obey octet rule?
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Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?
EASY
Valence electrons in the element are and that in element are . Most probable compound formed from and is
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The formal charge on central oxygen atom in ozone is
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The oxide which contains an odd electron at the nitrogen atom is
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Total number of lone pair of electrons in ion is:
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Number of electron deficient molecules among the following and is
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In the given electron dot structure, the formal charge on each nitrogen atom (respectively) from left to right is _______
EASY
Amongst and , the number of species with two lone pairs of electrons at central atom is
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The sum of number of lone pairs of electrons present on the central atoms of and is
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Number of lone pairs of electrons in the central atom of and , respectively, are
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Which of the following represents the most stable Lewis dot formula for ?
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In ozone molecule, the formal charge on the central oxygen atom is
EASY
The numbers of lone pair and bond pairs in hydrazine are, respectively:
