JEE Main 2024 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 27 January 2024, Shift 1, Chemistry Q85

Question 85 of 90 in this shift, Chemistry question 25 of 30, Section B.

From the given list, the number of compounds with +4 oxidation state of Sulphur is __________.

\mathrm{SO_3,\ H_2SO_3,\ SOCl_2,\ SF_4,\ BaSO_4,\ H_2S_2O_7}

Official answer

NTA final key.

Chapter: Redox Reactions
Topic: Redox Reactions
Idea tested: Oxidation Number Assignment

Same idea in other shifts

Asked 9× in all

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24 Jun 2022, Shift 1 · Q86The difference in oxidation state of chromium in chromate and dichromate salts is ______.EasyNumerical value
27 Aug 2021, Shift 1 · Q39In polythionic acid, $\mathrm{H_2S_xO_6}$ ( $x$ = 3 to 5) the oxidation state(s) of sulphur is/are :MediumSingle correct
25 Jul 2021, Shift 2 · Q32Identify the process in which change in the oxidation state is five :EasySingle correct
18 Mar 2021, Shift 2 · Q38The oxidation states of nitrogen in NO, $\mathrm{NO_2}$ , $\mathrm{N_2O}$ and $\mathrm{NO_3^-}$ are in the order of :EasySingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.