JEE Main 2022Chemistryp Block Elements (Group 13 & 14)MediumMCQ

JEE Main 2022p Block Elements (Group 13 & 14) Question with Solution

JEE Main 2022 (29 Jun Shift 2)

Question

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

Choose an option

Show full solutionCorrect option: D
Correct answer
DNa2B4O7

Step-by-step explanation

Na2B4O7 gives H3BO3 and NaOH (strong base) in water.

So, it is a salt of strong base and weak acid. So, its solution will be strongly basic in water. It will have very high pH.

Lithium borohydride and sodium borohydride reacts with water to produce hydrogen.

And diborane act as lewis acid.

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About this question

This is a previous-year question from JEE Main 2022, covering the p Block Elements (Group 13 & 14) 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.