When soap is added to hard water $N a^{+}$ of soap is replaced by $C a^{2 +}$ or $M g^{2 +}$ ions and precipitates as $C a$ or $M g$ soap.

True

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False

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Solution

The correct option is A True
$S o d i u m s t e r e a t e s o a p + C a^{2 +} / M g^{2 +} ⟶ C a (S t e r a t e)_{2}$
$⟹ C_{17} H_{35} C O O N a + C a^{2 +} ⟶ C a (C H_{3} C O O)_{2}      P r e c i p i t a t e ↓$

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Similar questions

C a^{2 +}

M g^{2 +}

Soap forms insoluble precipitates with calcium and magnesium ions present in hard water. True or False?

C a^{2 +}

M g^{2 +}

C a^{2 +} (a q)

H C O_{3}^{-} (a q)

C a^{2 +}

H C O_{3}

C O_{3}^{2 -}

C a^{2 +}

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