Zeolite used to soften hardness of water is, hydrated

Zeolite Used To Soften Hardness Of Water Is Hydrated Chemistry Question

Zeolite used to soften hardness of water is, hydrated

Options

(a) potassium aluminium borate
(b) sodium aluminium silicate
(c) zinc aluminium borate
(d) zinc aluminium silicate

Correct Answer:

sodium aluminium silicate

Explanation:

The process in which sodium aluminium silicate is used for the removal of temporary or permanent hardness of water is known as permutit process,whereby the Na⁺ ions of permutit (i.e., hydrated sodium aluminium silicate) are exchanged with Ca²⁺ and Mg²⁺ when hard water is passed through it. Na₂Al₂Si₂O₈.xH₂O + Ca²⁺/Mg²⁺ → CaAl₂Si₂O₈.xH₂O + 2Na⁺ or MgAl₂Si₂O₈.xH₂O.

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Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)

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