### Question Asked by a Student from EXXAMM.com Team

Q 2732280132.

Assertion : In complex [Cr(NH_3)_4 BrCl]Cl, the 'spin only' magnetic moment is close to 1.73 B.M.

Reason : All known mononuclear complexes of chromium (III), irrespective of the strength of the ligand field, must have three unpaired electrons.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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