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equal volume each of two sols of Agl, on...

equal volume each of two sols of Agl, one obtained by adding `AgNO_(3)` to slight excess of Kl and another obtained by adding KI to slight excess of `AgNO_(3)` are mixed together . Then :

A

The sol particles acquired more electric charge

B

The sols coagulated each other mutually

C

A true solution is obtained

D

The two sols stabilized each other

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The correct Answer is:
B
The two sols prepared contains not only AgI but also KI and `Ag NO _(3)` as these are taken in excess amounts. When these sols are mixed, the sols being oppositely charged coagulates each other.
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