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Practice question

MCQ

Question

What is the formula for hexaamminecobalt(III) sulphate?

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Choose one · Correct answer highlighted

Explanation

Co³⁺ with 6 NH₃ forms [Co(NH₃)6]^{3+ . Sulphate ( SO₄^{2- ) requires 3 units to balance two +3 complexes, giving [Co(NH₃)6]2(SO₄)3 . This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

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