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Q.

Statement I : There are two nodal regions in 3s- orbitalStatement II : There is no nodal plane in 3s orbital

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a

Both Statement I and Statement II are true

b

Statement I is true and Statement II is false

c

Statement I is false but Statement II is true

d

Both Statement I and Statement II are false

answer is A.

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Detailed Solution

Statement I : Number of nodal regions in 3s orbital = 3 - 0 - 1 = 2Thus Statement I is trueStatement II : Number of nodal planes for 3s orbitalThus Statement II is true = l = 0Statement I and Statement II are true but Statement II doesn't explain Statement I
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