Synthetic detergents are more effective in ha | vedclass

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(C) The structural features of soaps and detergents are similar,except that the polar end in detergents is $-OSO_3^-Na^+$ or $-SO_3^-Na^+$,while in so

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their $Ca^{2+}$ and $Mg^{2+}$ salts are water soluble

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(C) The structural features of soaps and detergents are similar,except that the polar end in detergents is $-OSO_3^-Na^+$ or $-SO_3^-Na^+$,while in soaps,the polar end is $-COO^-Na^+$.Detergents have an advantage over soaps because their polar ends (sulphate or sulphonate groups) retain their efficiency in hard water.This is because the corresponding $Ca^{2+}$ and $Mg^{2+}$ salts of detergents are soluble in water,whereas the $Ca^{2+}$ and $Mg^{2+}$ salts of soaps are insoluble and form scum.Therefore,the correct reason is that their $Ca^{2+}$ and $Mg^{2+}$ salts are water soluble.

Synthetic detergents are more effective in hard water than soaps because

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