MEDIUM
JEE Advanced
IMPORTANT
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The maximum covalency for -block elements is equal to
(a)The number of unpaired -electrons.
(b)The number of paired -electrons.
(c)The number of unpaired and electrons.
(d)The actual number of and electrons in the outermost shell.

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Important Questions on Chemical Bonding and Molecular Structure
MEDIUM
JEE Advanced
IMPORTANT
Which of the following is an example of a super octet molecule?

EASY
JEE Advanced
IMPORTANT
In which of the following species the bonds are non-directional?

EASY
JEE Advanced
IMPORTANT
Which of the following contains both polar and non-polar bonds?

EASY
JEE Advanced
IMPORTANT
The covalency of carbon in the molecule is three because

EASY
JEE Advanced
IMPORTANT
The number of electron dots in Lewis structure indicates the

EASY
JEE Advanced
IMPORTANT
The correct order of thermal stability is/are:

EASY
JEE Advanced
IMPORTANT
Which of the following have an electron configuration?

MEDIUM
JEE Advanced
IMPORTANT
In which of the following molecules, the octet rule is not obeyed?
