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Friday, 9 October

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JEE Main 2020 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 9 January 2020, Shift 2, Chemistry Q49

Question 49 of 75 in this shift, Chemistry question 24 of 25, Section B.

The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ______.

Official answer

12.00 to 12.00

NTA final key (Jan 2020). Any value in the range scored.

Chapter: The d- and f-Block Elements
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.