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A Chromium(III)ion Forms a Complex Ion with Two Ammonia Molecules

Question 89

Multiple Choice

A chromium(III) ion forms a complex ion with two ammonia molecules and four thiocyanate ions.What is the formula of the complex ion?


A) [Cr(NH3) 2(NCS) 4]3+
B) [Cr(NH4) 2(NCS) 4]+
C) [Cr(NH3) 2(NCS) 4]-
D) [Cr(NH3) 2(NCS) 4]4-

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