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Which of the following is used to cure arsenic poisoning?

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in Chemistry – Class 12 by (188k points)
Which of the following is used to cure arsenic poisoning?

(a) Colloidal solution of zinc hydroxide

(b) Colloidal solution of ferric hydroxide

(c) Colloidal solution of chromium hydroxide

(d) Colloidal solution of calcium hydroxide

I had been asked this question by my college professor while I was bunking the class.

This interesting question is from Surface Chemistry topic in section Surface Chemistry of Chemistry – Class 12

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Right option is (b) Colloidal solution of ferric hydroxide

The best I can explain: Colloidal solution of ferric hydroxide (Fe(OH)3) is given to a person suffering from arsenic poisoning. It is used as ferric hydroxide adsorbs arsenic and this can be vomited out later.

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