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Standard XII

Physics

Direction of Friction

Assertion :Or...

Question

Assertion :Orbital having $x z$ plane as node may be $3 d_{x y}$ . Reason: $3 d_{x y}$ has zero radial node.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
No. of radial node $= n - l - 1$
No. of angular node $= l$
Total no. of node $n - 1$ .
So, $3 d_{x y}$ has $3 - 2 - 1 = 0$ radial node.

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Assertion :Orbital having xz plane as node may be 3dxy. Reason: 3dxy has zero radial node.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionNo. of radial node =n−l−1No. of angular node =lTotal no. of node n−1.So, 3dxy has 3−2−1=0 radial node.

Assertion :Orbital having $x z$ plane as node may be $3 d_{x y}$ . Reason: $3 d_{x y}$ has zero radial node.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
No. of radial node $= n - l - 1$
No. of angular node $= l$
Total no. of node $n - 1$ .
So, $3 d_{x y}$ has $3 - 2 - 1 = 0$ radial node.