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Karnataka Board PUCPUC Science Class 11

Which of the following sets of quantum numbers are correct? n l ml (i) 1 1 +2 (ii) 2 1 +1 (iii) 3 2 -2 (iv) 3 4 -2

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Question

Which of the following sets of quantum numbers are correct?

  `n` `l` `m_l`
(i) 1 1 +2
(ii) 2 1 +1
(iii) 3 2 –2
(iv) 3 4 –2
Short/Brief Note
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Solution

  `n` `l` `m_l`
(ii) 2 1 +1
(iii) 3 2 –2

Explanation:

For the given value of n (principal quantum number) the value of 1 (Azimuthal quantum number) varies from 0 to n – l.

However for the given value of l the ml(magnetic quantum number) varies from –1 to +1

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Chapter 2: Structure of Atom - Multiple Choice Questions (Type - I) [Page 18]

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NCERT Exemplar Chemistry [English] Class 11
Chapter 2 Structure of Atom
Multiple Choice Questions (Type - I) | Q 19 | Page 18

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