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JIPMER 2019
Exam
JIPMER
Year
2019
Subject
Chemistry
Chapter
Structure of Atom

JIPMER 2019 · Chemistry · Structure of Atom

Azimuthal quantum number ( ) defined

Azimuthal quantum number (ℓ)(\ell) defined

Options

  1. Ashape of orbitals
  2. Borientation of orbitals
  3. Cenergy of orbitals
  4. Dsize of orbitals

Correct answer

A. shape of orbitals

Step-by-step solution

Azimuthal quantum number ( l ) is also called subsidiary quantum number, denoted by 1 [ℓ=0,1,2,3,…(n−1)][\ell=0,1,2,3, \ldots(\mathrm{n}-1)] It describes the shape of orbital occupied by the electron. ValueoflSubshellnotationShapeoforbital0sSpherical1ρDumb−bell2dexceptdz2Doubledumb−bell3fComplex\begin{array}{ccl} \hline Value of \boldsymbol{l} & Subshell notation & Shape of orbital \\ \hline 0 & s & Spherical \\ \hline 1 & \rho & Dumb-bell \\ \hline 2 & d except d z^2 & Double dumb-bell \\ \hline 3 & f & Complex \\ \hline \end{array}
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