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JEE Main202228 Jun 2022Evening ShiftChemistryStructure of AtomActual

Consider the following statements : (A) The principal quantum number ' n ' is a positive integer with values of ' n ' = 1 , 2 , 3 , … (B) The azimuthal quantum number ' l ' for a given ' n ' (principal quantum number) can have values as ' l ' = 0 , 1 , 2 , … . n has 2 n + 1 values. (C) Magnetic orbital quantum number ' m ' for a particular ' l ' (azimuthal quantum n

Options

  1. AA , B   &   C
  2. BA , C , D &   E
  3. CA , C   &   D
  4. DA , B , C   &   D

Correct answer

C. A , C   &   D

Step-by-step solution

A) Number of values of -n=1,2,3.... ∞ B) Number of values of l = 0     to   ( n - 1 ) C) Number of values of m= - l   to   + l Total values= 2 l + 1 D)The two possible orientations of electronic spin, which are spin quantum numbers are + 1 2   and   - 1 2 E) For l = 5 total number of orbital is 2 l + 1 = 2 x 5 + 1 = 11

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