Statement-1: The highest oxidation state of chromium in its compound is +6.
Statement-2: Chromium atom has only six electrons in ns and `(n-1)d` orbitals.
A. Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1.
B. Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explanation for statement-1
C. Statement-1 is true, statement-2 is false.
D. statement-1 is false, statement-2 is true.