Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Assertion Reason Single Correct MCQ
Published on: August 14, 2026

In this type of questions, a statement of assertion is followed by a statement of reason

(R). Mark the correct choice as:

Assertion : does not have a tetrahedral structure.

Reason : Se in has two lone pairs.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.

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Text Solution

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The correct answer is:
C

possess see-saw shape, which can be regarded as a distorted trigonal bipyramidal structure, having one lone pair of electrons. See-saw shape of molecules arises due to the hybridisation of the central atom. The distortion in shape is due to the presence of one lone pair of electrons.

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