EASY
Earn 100
The xenon reacts with oxygen forms its oxides with different composition of oxygen .
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Important Questions on Chemical Bonding and Molecular Structure
MEDIUM
The compound(s) with two lone pairs of electrons on the central atom is (are)
EASY
The set of molecules in which the central atom is not obeying the octet rule is
MEDIUM
Which of the following species is a radical?
MEDIUM
Among the following molecules, the one with the largest bond angle at the central atom is
MEDIUM
The oxide which contains an odd electron at the nitrogen atom is
EASY
The numbers of lone pair and bond pairs in hydrazine are, respectively:
EASY
The number of molecules or ions from the following, which do not have odd number of electrons are _____ .
(A)
(B)
(C)
(D)
(E)
(F)
MEDIUM
Give a reason for the following:
Ionic compounds have a high melting point.
MEDIUM
Number of electron deficient molecules among the following and is
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Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?
HARD
The lattice energies of and follow the order
EASY
Which of the following molecule does not obey octet rule?
MEDIUM
Which of the following compounds contain(s) no covalent bond(s)?
MEDIUM
Maximum bond angle at nitrogen is present in which of the following?
EASY
Total number of lone pair of electrons in ion is:
MEDIUM
In ozone molecule, the formal charge on the central oxygen atom is
EASY
What do you understand by a lone pair of electrons?
EASY
Which one of the following molecules contains an incomplete octet of the central atom?
MEDIUM
is well known but is not.Because,
EASY
Which among the following is an electron deficient compound ?
