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JEE Main Chemistry Class 11 Chemical Bonding and Molecular Structure Part 2 Questions

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Question : 6

Total: 115

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : NH3 and NF3 molecule have pyramidal shape with a lone pair of electrons on nitrogen atom. The resultant dipole moment of NH3 is greater than that of NF3.
Reason (R) : In NH3, the orbital dipole due to lone pair is in the same direction as the resultant dipole moment of the N−H bonds. F is the most electronegative element.
In the light of the above statements, choose the correct answer from the options given below:

[5 Apr 2024 Shift 2]

Both (A) and (R) are true and (R) is the correct explanation of (A)
(A) is false but (R) is true
(A) is true but (R) is false
Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

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