Redox Reactions questions
1186 published questions with worked solutions.
- KMnO_4 (mol. wt. = 158) oxidizes oxalic acid in acidic medium to CO_2 and water as follows: 5 C _2 O _4^ 2- + 2 MnO _4^- + 16 H...
- The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO_4 in acid medium. The equivalent mass of...
- In the disproportionation reaction 3 HClO _3 HClO _4 + Cl _2 + 2 O _2 + H _2 O , the equivalent mass of the oxidising agent is...
- The equivalent weight of KMnO_4 for acid solution is
- The equivalent weight of KIO_3 in the reaction, 2 Cr(OH) _3 + OH ^- + KIO _3 2 CrO _4^ 2- + 5 H _2 O + KI is [UP SEE 2003]
- In the equation, H _2 S + 2 HNO _3 2 H _2 O + 2 NO _2 + S , the equivalent weight of hydrogen sulphide is
- What is the equivalent weight of SnCl_2 in the following reaction? SnCl _2 + Cl _2 SnCl _4
- If the molecular weights of Na_2S_2O_3 and I_2 are M_1 and M_2 respectively, then what will be the equivalent weight of...
- In acidic medium, the equivalent weight of K_2Cr_2O_7 (Mol. wt. = M) is
- Sodium nitrate on reduction with Zn in presence of NaOH solution produces NH_3. Mass of sodium nitrate absorbing 1 mole of...
- Consider a titration of potassium dichromate solution with acidified Mohr's salt solution using diphenylamine as indicator. The...
- The mass of potassium dichromate crystals required to oxidise 750 cm^3 of 0.6 M Mohr's salt solution is (Given, molar mass:...
- Amount of oxalic acid present in a solution can be determined by its titration with KMnO_4 solution in the presence of H_2SO_4....
- MnO_4^- ions are reduced in acidic condition to Mn^ 2+ ions whereas they are reduced in neutral condition to MnO_2. The oxidation...
- Acidified KMnO_4 oxidises oxalic acid to CO_2. What is the volume (in litres) of 10^ -4 M KMnO_4 required to completely oxidise...
- Statement 1: Equivalent weight of ozone in the change O_3 O_2 is 8. Statement 2: 1 mole O_3 on decomposition gives 3 2 moles of...
- Statement 1: Equivalent of K_2Cr_2O_7 has 1 equivalent of K and Cr and O each. Statement 2: A species contains the same number of...
- If in a reaction HNO_3 is reduced to NO, the mass of HNO_3 absorbing one mole of electrons would be
- In the following reaction, which choice has a value twice that of the equivalent mass of the oxidising agent? 2 H _2 S + SO _2 3...
- If w_1 g of a metal X displaces w_2 g of another metal Y from its salt solution and if the equivalent weights are E_1 and E_2...
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