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JEE Main Chemistry question

ChemistryStructure of AtomJEE Main

The statements are valid for: (i) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital (ii) When two electrons are placed in two different orbitals, energy is lower if the spins are parallel

Answer: (B)

Solution

Both statements together describe Hund's rule of maximum multiplicity:

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Question ID VK-132782