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Earn 100

Define duplet set of arrangement of electrons.

Important Questions on Chemical Bonding

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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Maximum bond angle at nitrogen is present in which of the following?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The set of molecules in which the central atom is not obeying the octet rule is
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The compound(s) with two lone pairs of electrons on the central atom is (are)
HARD
Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The lattice energies of NaCl, NaF, KCl and RbCl follow the order
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The oxide which contains an odd electron at the nitrogen atom is
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Among the following molecules, the one with the largest bond angle at the central atom is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The number of molecules or ions from the following, which do not have odd number of electrons are _____ .
(A) NO2
(B) ICl4-
(C) BrF3
(D) ClO2
(E) NO2+
(F) NO
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
What do you understand by a lone pair of electrons?
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Number of electron deficient molecules among the following PH3,B2H6,CCl4,NH3,LiH and BCl3 is
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Which of the following compounds contain(s) no covalent bond(s)?

KCl, PH3, O2, B2H6, H2SO4
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Which of the following molecule does not obey octet rule?
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Total number of lone pair of electrons in I3- ion is:
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
The numbers of lone pair and bond pairs in hydrazine are, respectively:
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding

Give a reason for the following:

Ionic compounds have a high melting point.

EASY
Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Arrange the following compounds in increasing order of C-OH bond length: methanol, phenol, p -ethoxyphenol
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
In ozone molecule, the formal charge on the central oxygen atom is
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Which one of the following molecules contains an incomplete octet of the central atom?
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
PCl5 is well known but NCl5 is not.Because,
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Chemistry>Inorganic Chemistry>Chemical Bonding>Kossel and Lewis Approach to Chemical Bonding
Which among the following is an electron deficient compound ?