27 verified questions · ~24 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
In qualitative test for identification of presence of phosphorous, the compound is heated with an oxidising agent, which is further treated with nitric acid and ammonium molybdate respectively. The yellow coloured precipitate obtained is:
For a reaction A —(K₁)→ B —(K₂)→ C If the rate of formation of B is set to be zero then the concentration of B is given by:
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