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4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is

(A)

5f > 6p > 5p > 4d

(B)

6p > 5f > 5p > 4d

(C)

6p > 5f > 4d > 5p

(D)

5f > 6p > 4d > 5p

NEET - Medical UG-2019 Easy

Answer & Solution:

Answer : 5f > 6p > 5p > 4d 

From Aufbau principle , we can predict that energy order follows the (n+l) rule . The table below shows that how are the n and l values :

name of orbital  n value  l value  (n+l ) value 
4d 4 2 6
5p 5 1 6
5f 5 3 8
6p 6 1 7

For higher n value , the energy will be higher for (n+l) value .

So, the above is the order .

 

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Other Questions of the same topic

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Which one of the following compounds shows the presence of intramolecular hydrogen bond ?

(A)

Concentrated acetic acid

(B)

\(H_{2}O_{2}\)

(C)

HCN

(D)

Cellulose

NEET - Medical UG-2016 Medium

Q2:

The correct bond order in the following species is:-

(A)

\(\large O_{2}^{2+}\: < \: O_{2}^{-}\: < \: O_{2}^{+}\)

(B)

\(\large O_{2}^{+} \: < \: O_{2}^{-}< \: \: O_{2}^{2+}\)

(C)

\(\large O_{2}^{-}\: \: < O_{2}^{+} \: < \: \: O_{2}^{2+}\)

(D)

\(\large O_{2}^{2+}\: \: < O_{2}^{+}\: \: < O_{2}^{-} \)

NEET - Medical UG-2015 Hard

Q3:

Which of the following pairs of ions are isoelectronic and isostructural ?

(A)

\(\large ClO_{3}^{-},CO_{3}^{2-}\)

(B)

\(\large SO_{3}^{2-},NO_{3}^{-}\)

(C)

\(\large ClO_{3}^{-},SO_{3}^{2-}\)

(D)

\(\large CO_{3}^{2-},SO_{3}^{2-}\)

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Biology Physics

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