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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE
1
Medium
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Understanding
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Assertion : Some molecules are polar.
Reason : The centre of negative charge and positive charge do not coincide each other in some molecule.
Reason : The centre of negative charge and positive charge do not coincide each other in some molecule.
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Correct option: A
If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
Option A (If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion) is correct because the polarity of a molecule arises from the non-coincidence of positive and negative charge centers.
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The hybridization in sulphur dioxide is
has the same geometry as:
The pair of molecules forming strongest hydrogen bonds are
Paramagnetism is shown by
Which statement is correct?
Assertion (A) : is a weaker Lewis acid than .
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.