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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

What is the molecular mass (in amu) of the product 'X' in the following unbalanced chemical equation? [Given At. Wt.: P = 31 u, H = 1 u, N = 14 u, O = 16 u]

Answer: 98

Solution

Hot concentrated nitric acid oxidises phosphorus all the way to phosphoric acid: $ +

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Question ID VK-147119