Question

Freshly obtained SnO2, is added to water containing
a little HCI. The sol obtained would be .......... due to
preferential adsorption of ....... ions.
(a) positively charged, H+
(b) negatively charged, Sno3*2-
(c) positively charged, Sn4+
(d) positively charged, Sn2+​

Answer 1

Answer:

d is the ans

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Answer 2

Freshly obtained $SnO_{2}$, is added to water containing a little HCI. The solution obtained would be positively charged due to the adsorption of $Sn^4^+$ ions. The correct option is (c) positively charged, Sn4+.

Explanation:

1. The equation obtained by the addition of freshly obtained $SnO_{2}$ to the water containing a little HCL is given as:
2. $SnO_{2} + 4 HCl$ → $Sn^4^+$$+ 4 Cl^- + 2H_{2} O$
3. From the above equation, it can be observed that the solution obtained is positively charged due to the preferential adsorption of $Sn^4^+$ ions.