JEE Main 2019Chemistrys Block ElementsEasyMCQ

JEE Main 2019s Block Elements Question with Solution

JEE Main 2019 (09 Apr Shift 1)

Question

Magnesium powder burns in air to give

Choose an option

Show full solutionCorrect option: A
Correct answer
AMgO and Mg3N2.

Step-by-step explanation

N2 and O2 are present in the air as the main constituent, so the following reaction takes place:


Mg+O2MgO,   Mg+N2Mg3N2 will form.

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About this question

This is a previous-year question from JEE Main 2019, covering the s Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.