Redox Reactions questions
1186 published questions with worked solutions.
- Consider the following pairs : Chemical Reaction : Type of Chemical Reaction I. Fe ,(s) + CuSO_4 ,(aq.) FeSO_4 ,(aq.) + Cu ,(s) :...
- Consider the following molecules: Br _3 O _8, F _2 O , H _2 S _4 O _6, H _2 S _5 O _6, and C _3 O _2. Count the number of atoms...
- In a metal deficient oxide sample, M _ X Y _2 O _4 (**M** and **Y** are metals), **M** is present in both +2 and +3 oxidation...
- In neutral or alkaline solution, MnO_ 4 ^ - oxidises thiosulphate to :
- Given below are two statements. Statement I: Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions....
- 20 mL of 0.02 M K_ 2 Cr_ 2 O_ 7 solution is used for the titration of 10 mL of Fe^ 2+ solution in the acidic medium. The molarity...
- In the titration of KMnO_ 4 and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is _____.
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Permanganate...
- On reaction with stronger oxidizing agent like KIO_ 4 , hydrogen peroxide oxidizes with the evolution of O_ 2 . The oxidation...
- 0.01 M KMnO_ 4 solution was added to 20.0 mL of 0.05 M Mohr's salt solution through a burette. The initial reading of 50 mL...
- A 2.0 g sample containing MnO_ 2 is treated with HCl liberating Cl_ 2 . The Cl_ 2 gas is passed into a solution of KI and 60.0 mL...
- In neutral of faintly alkaline medium, KMnO_ 4 being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to...
- Which one of following reactions indicates the reducing ability of hydrogen peroxide in basic medium?
- Which of the following options are correct for the reaction? 2[Au(CN)_2]^-(aq)+Zn(s) 2Au(s)+[Zn(CN)_4]^ 2- (aq) A. Redox reaction...
- Strong reducing and oxidizing agents among the following , respectively, are
- In ammonium – phosphomolybdate, the oxidation state of Mo is + ________
- Given below are two statements: Statement I: In redox titration, the indicators used are sensitive to change in pH of the...
- The sum of oxidation state of the metals in Fe(CO)_5, VO^ 2+ and WO_3 is
- 2IO_3^-+xI^-+12H^+ 6I_2+6H_2 What is the value of x?
- In alkaline medium, the reduction of permanganate anion involves a gain of _______ electrons.
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