In the Zeolite/Permutit ion-exchange method, $N a^{+}$ ions from the resin are exchanged with

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Solution

The correct option is A

Hydrated Sodium Aluminum Silicates having the general formula $N a_{2} O . A l_{2} O_{3} . x S i O_{2} . y H_{2} O$ are broadly referred to as "Zeolite”. x can be integers in the range [2,10] while y can be integers in the range [2,6]. While zeolites occur naturally, they can also be synthesized.

Zeolite is capable of exchanging its $N a^{+}$ ions with that of the hardness producing metal cations like $C a^{2 +}, M g^{2 +}$ and $F e^{2}$

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When zeolite, which is hydrated sodium aluminimum silicate is treated with hard water, the sodium iions are exchanged with which of the following ion(s)?
(a) $H^{+}$ ions (b) $M g^{2 +}$ ions (c) $C a^{2 +}$ ions (d) $S O_{4}^{2 -}$

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In the Zeolite/Permutit ion-exchange method, Na+ ions from the resin are exchanged with

In the Zeolite/Permutit ion-exchange method, $N a^{+}$ ions from the resin are exchanged with