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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

1 Medium

1 of 1

Analyzing +4 | -1

Assertion :

NO

is paramagnetic in nature.

Reason : Bond order of

NO

is 2.5.

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Correct option: B

If both Assertion & Reason True but Reason not a correct explanation of the assertion

If both Assertion & Reason True but Reason not a correct explanation of the assertion because NO is paramagnetic due to the presence of an unpaired electron, and its bond order is indeed 2.5, but the bond order doesn't directly explain the paramagnetism.

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The hybridization in sulphur dioxide is

\mathrm{C}{\mathrm{O}_2}

has the same geometry as:

\left( A \right)\mathrm{HgC}{\mathrm{l}_2},\left( B \right)\mathrm{N}{\mathrm{O}_2},\left( C \right)\mathrm{SnC}{\mathrm{l}_4},\left( D \right){\mathrm{C}_2}{\mathrm{H}_2}

The pair of molecules forming strongest hydrogen bonds are Paramagnetism is shown by Which statement is correct? Assertion (A) :

{BF}_3

is a weaker Lewis acid than

{BCl}_3

.

Reason (R) : The planar

{BF}_3

molecule is stabilised to a greater extent than

{BCl}_3

{B}-X \pi

-bonding.