JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

Match the substances given in column B based on the reactions given in column A, and select the correct answer from the alternatives.

Column A (Reaction) I. A white, waxy solid, normally stored under water because it spontaneously inflames in air II. A viscous liquid that reacts with table sugar, giving a charred mass III. An acid that reacts with copper metal, releasing brown fumes IV. A pale greenish-yellow gas that dissolves in aqueous NaOH to give a solution used as a bleach

Column B (Substances) P. HNO Q. Cl R. P (white phosphorus) S. HSO

Answer: (C)

Solution

White phosphorus is a white, waxy solid stored under water and ignites spontaneously in air (I–R). Concentrated HSO is a viscous, strongly dehydrating liquid that chars sugar (II–S). Concentrated HNO

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Question ID VK-130747