De Broglie Equation AR & Other Type MCQs Structure of Atom Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Assertion (A):	The ground state configuration of Cr is 3d⁵4s¹.
Reason (R):	A set of half-filled orbitals containing one electron each with their spin parallel provides extra stability.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: De Broglie Equation |

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