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Molarity

Even in the a...

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Even in the absence of group II, colloidal yellowish ppt appears on passing $H_{2} S$ gas; it may be due to the presence of Oxidising agent (like ${S O}_{3}^{2 -}, {N O}_{3}^{-}$ ) .

If the given statement is true enter 1 else enter 0.

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Solution

Even in the absence of group II, colloidal yellowish ppt appears on passing $H_{2} S$ gas; it may be due to the presence of oxidising agent (like ${S O}_{3}^{2 -}, {N O}_{3}^{-}$ ) which oxidizes sulphide ion of hydrogen sulphide to free sulphur.
$S^{2 -} o x i d i z i n g a g e n t - -------- \to S ↓$

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