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Q.

Number of spherical nodes in a 4s orbital is

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a

Zero

b

1

c

2

d

3

answer is D.

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Detailed Solution

The number of radial nodes = n−l−1.

where n and l are the principal and azimuthal quantum numbers respectively.

For 4s orbital, the number of radial nodes =4−0−1=3

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Number of spherical nodes in a 4s orbital is