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Byju's Answer

Standard XII

Chemistry

Shapes of Orbitals and Nodes

Consider foll...

Question

Consider following figure $A$ and $B$ indicating a distribution of charge density (electron probability $Ψ^{2}$ ) with distance $r$ .
Select the correct statement(s):

A

is for

1 s

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A

and

B

both are for

2 s

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A

is for

2 s

, B is for

1 s

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B

is for

2 s

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Solution

The correct options are
C $A$ is for $1 s$
D $B$ is for $2 s$
No. of radial nodes $= n - l - 1$
Total number of nodes $= n - 1$

For $1 s, n = 1, l = 0$

Radial nodes for $1 s : 1 - 0 - 1 = 0$

For $2 s, n = 2, l = 0$

Radial nodes for $1 s : 2 - 0 - 1 = 1$

$A$ is for $1 s$

$B$ is for $2 s$

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Similar questions

Q. Consider the following figures A and B indicating the distribution of charge density (electron probability

ψ^{2}

with distance

r

Select the correct statement:

Q. Consider the following figures A and B indicating the distribution of charge density (electron probability

ψ^{2}

with distance

r

Select the correct statement:

Q. State significance of

Ψ

and

Ψ^{2}

. Draw radial probability density and radial probability distribution curves for

1 s, 2 s, 2 p, 3 s, 3 p, 3 d, 4 s, 4 p

Q. Electronic configurations of four elements

A, B, C

and

D

are given below:
(A)

1 s^{2} 2 s^{2} 2 p^{6}

(B)

1 s^{2} 2 s^{2} 2 p^{4}

(C)

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

(D)

1 s^{2} 2 s^{2} 2 p^{5}

Which of the following is the correct order of increasing tendency to gain electron?

Question 03

The probability density plots of 1s and 2s orbital are given in figure.

The density of dots in region represents the probability density of finding electrons in the region. On the basis of above diagram which of the following statements is incorrect ?

(a) 1s and 2s orbitals are spherical in shape

(b) The probability of finding electron is maximum near the nucleus

(d) The probability density of electrons for 2s orbital decreases uniformly as distance from the nucleus increases

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Consider following figure A and B indicating a distribution of charge density (electron probability Ψ2) with distance r.Select the correct statement(s):

The correct options are C A is for 1s D B is for 2sNo. of radial nodes =n−l−1Total number of nodes =n−1For 1s,n=1,l=0Radial nodes for 1s:1−0−1=0For 2s,n=2,l=0Radial nodes for 1s:2−0−1=1A is for 1s B is for 2s

Consider following figure $A$ and $B$ indicating a distribution of charge density (electron probability $Ψ^{2}$ ) with distance $r$ .
Select the correct statement(s):

The correct options are
C $A$ is for $1 s$
D $B$ is for $2 s$
No. of radial nodes $= n - l - 1$
Total number of nodes $= n - 1$

For $1 s, n = 1, l = 0$

Radial nodes for $1 s : 1 - 0 - 1 = 0$

For $2 s, n = 2, l = 0$

Radial nodes for $1 s : 2 - 0 - 1 = 1$

$A$ is for $1 s$

$B$ is for $2 s$