Redox Reactions questions
1186 published questions with worked solutions.
- The equivalent weight of a reductant or an oxidant is given by:
- 25 mL of 0.50 M H_2O_2 solution is added to 50 mL of 0.20 M KMnO_4 in acidic solution. Which of the following statements is true?
- The number of equivalents per mole of H_2S used in its oxidation to SO_2 is:
- What volume (in litres) of 0.1 N oxalic acid solution can be oxidised by 250 g of an 8 per cent (by weight) KMnO_4 solution?
- What mass (in g) of MnO_2 is reduced by 35 mL of 0.16 N oxalic acid in acidic solution? The skeleton equation is,...
- When one mole of KMnO_4 reacts with HCl, what volume (in litres) of chlorine liberated at NTP will be?
- In an oxidation process for a cell M_1 M_1^ n+ +ne, the other metal (M_2), being univalent and showing reduction, takes up the...
- When potassium permanganate is titrated against ferrous ammonium sulphate, the equivalent weight of potassium permanganate is:
- An indicator used for a redox reaction is itself:
- Milliequivalent of a solute in a solution can be given by:
- How many litres of Cl_2 at STP will be liberated by the oxidation of NaCl with 10 g of KMnO_4?
- The number of moles of KMnO_4 that will be needed to react completely with one mole of ferrous oxalate in acidic solution is:
- Hydrogen peroxide in aqueous solution decomposes on warming to give oxygen according to the equation, 2H_2O_2(aq)...
- For the reaction, 2Fe^ 3+ +Sn^ 2+ 2Fe^ 2+ +Sn^ 4+ , what is the normality of SnCl_2 (mol. wt. =189.7) solution prepared by...
- Which one is not a redox titration?
- Reactants react in equal numbers of ..... to give products.
- In the titration of CuSO_4 vs hypo in presence of KI, which statement is wrong?
- Total number of electrons involved per molecule in the oxidation of FeC_2O_4 to Fe^ 3+ and CO_2 is ____.
- In the reaction, Mn^ 2+ +S_2O_8^ 2- SO_4^ 2- +MnO_4^- (acid medium), the number of moles of S_2O_8^ 2- required to oxidise 2 mole...
- Intramolecular redox, (NH_4)_2Cr_2O_7 N_2+Cr_2O_3+4H_2O, shows a loss and gain of how much electron(s)?
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