CuSO₄ dissolves in NH₃ due to the formation of

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CuSO₄ dissolves in NH₃ due to the formation of

Options

(a) Cu(OH)₂
(b) Cu[(NH₃)₄]SO₄
(c) Cu[(NH₃)₄(OH)₂]
(d) CuO

Correct Answer:

Cu[(NH₃)₄(OH)₂]

Explanation:

NH₃+ H₂O→ NH₄OH
CuSO₄ + NH₄OH → Cu(OH)₂ + (NH₄)₂ SO₄ / Cu(OH)₂ + 2NH₄OH + (NH₄)₂ SO₄ → [Cu (NH₂)₄] SO₄ + 4 H₂O ( Tetrammine cupric sulphate
The complex is called as Schotzer’s reagent which is used for dissolving cellulose in the manufacture of artificial silk.

Related Questions:

1. Oxidation numbers of carbon in CH₂Cl₂,CO₂ and CO₃²⁻ are respectively
2. The equivalent mass of Fe in FeO is
3. The equivalent weight of phosphoric acid(H₃PO₄) in the reaction
4. Which of the following is an ore of aluminium
5. The Grignard reagent, on reaction with acetone forms

Topics: Coordination Compounds (87)
Subject: Chemistry (2512)

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