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Shapes of Orbitals and Nodes

Which of the ...

Question

Which of the following statements regarding orbitals is false?

A

1 s

orbital has one nodal region.

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B

2 s

orbital is spherical with one nodal region.

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C

2 p_{x}

orbital is dumb bell with one nodal plane.

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D

3 d_{x y}

orbital has two nodal planes.

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Solution

The correct option is A $1 s$ orbital has one nodal region.
Number of nodes $= (n + l - 1)$ .

Thus for $1 s$ orbital number of nodes $= (1 + 0 - 1) = 0$

Hence statement A is false as for $1 s$ there is no nodal region.

Thus the correct option is A.

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Similar questions

Q. Consider the following statements:

(A) Electron density in the

x y

3 d_{x^{2} - y^{2}}

orbital is zero.
(B) Electron density in the

x y

3 d_{z^{2}}

orbital is zero.
(C)

2 s

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(D) For

2 p_{x}

y z

is the nodal plane.

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Q. Which orbital has two angular nodal planes ?

{3 p}_{y}

orbital has _____ nodal plane.

Q. Match Column - I with Column - II.

Column - I	Column - II
1. The orbital with 4 total nodes	a. $3 s$
2. The orbital with one nodal plane	b. $5 s$
3. The orbital with 2 nodal regions	c. $5 d$
4. The orbital with no nodal plane	d. $4 p$

Q. Which of the following molecular orbital has 2 nodal planes?

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