Redox Reactions questions
1186 published questions with worked solutions.
- Oxidation number of Mn in K_2MnO_4 and MnSO_4 are respectively:
- Oxidation number of chlorine in chlorine heptaoxide is:
- When an acidified solution of ferrous ammonium sulphate is treated with KMnO_4 solution, the ion which is oxidised is:
- Which is a redox reaction?
- Which is not a redox reaction?
- What volume of 3 molar HNO_3 is needed to oxidise 8 g of Fe^ 2+ to Fe^ 3+ ? (HNO_3 gets converted to NO.)
- Titrations in which a standard I_2 solution is used directly as the titrant are known as ..... titrations.
- The eq. wt. of Fe_2(SO_4)_3, the salt to be used as an oxidant in acidic solution, is:
- How many grams of KMnO_4 are needed to prepare 3.75 litre of 0.850 N solution, if KMnO_4 is reduced as MnO_4^-+8H^++5e^- Mn^ 2+...
- Titrations in which liberated I_2 is estimated to carry out the volumetric estimations are known as ..... titrations.
- 0.3 g of an oxalate salt was dissolved in 100 mL solution. The solution required 90 mL of N/20 KMnO_4 for complete oxidation....
- In presence of dil. H_2SO_4, the equivalent weight of KMnO_4 is:
- The number of moles of potassium salt, i.e. KHC_2O_4 H_2C_2O_4 2H_2O, oxidised by one mole of permanganate ion are:
- Number of moles of MnO_4^- required to oxidise one mole of ferrous oxalate completely in acidic medium will be:
- How many litres of a 0.5 N solution of an oxidising agent are reduced by 2 litres of 2.0 N solution of a reducing agent?
- What volume (in litres) of O_2, measured at STP, will be formed by the action of 100 mL of 0.5 N KMnO_4 on hydrogen peroxide in...
- In the reaction, 2CuSO_4+4KI Cu_2I_2+2K_2SO_4+I_2, the ratio of equivalent weight of CuSO_4 to its molecular weight is:
- Weight of FeSO_4 (mol. wt. =152) oxidized by 200 mL of 1 N KMnO_4 solution is:
- In the reaction, N_2 NH_3, the eq. wt. of N_2 and NH_3 are respectively equal to:
- The number of moles of KMnO_4 that will be needed to react with one mole of sulphite ion in acidic solution is:
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