Redox Reactions questions
1186 published questions with worked solutions.
- What volume (in mL) of N K_2Cr_2O_7 solution (in acid solution) is required to oxidise 10 g of FeSO_4 (mol. wt. of FeSO_4=152)?
- A 0.50 M solution of KI reacts with excess of H_2SO_4 and KIO_3 solutions according to the equation, 6H^++5I^-+IO_3^- 3I_2+3H_2O....
- How many millilitres of 0.5 N SnCl_2 solution will reduce 600 mL of 0.1 N HgCl_2 to Hg_2Cl_2?
- In a reaction 4 moles of electrons are transferred to one mole of HNO_3 when it acts as an oxidant. The possible reduction...
- K_3Fe(CN)_6 is used as ..... indicator for FeSO_4 vs K_2Cr_2O_7 titrations.
- If equal volumes of 1 M KMnO_4 and 1 M K_2Cr_2O_7 solutions are allowed to oxidise Fe^ 2+ to Fe^ 3+ in acidic medium, the volume...
- Mohr's salt is oxidised to ..... in presence of acidified KMnO_4.
- In alkaline condition KMnO_4 reacts as follows: 2KMnO_4+2KOH 2K_2MnO_4+H_2O+O. What is its equivalent weight?
- How many grams of KMnO_4 are contained in 4 litres of 0.05 N solution? (KMnO_4 is to be used as an oxidant in acidic medium.)
- 1 mole of MnO_4^ 2- in neutral aqueous medium disproportionates to:
- During a redox change, the oxidant K_2Cr_2O_7 is always reduced to:
- The number of Fe^ 2+ ions oxidised by one mole of MnO_4^- ions is:
- Moles of H_2O_2 required for decolorizing 1 mole of acidified KMnO_4 are:
- How many grams of KMnO_4 should be taken to make up 250 mL of a solution of such strength that 1 mL is equivalent to 5.0 mg of Fe...
- The eq. wt. of KMnO_4 in the reaction, MnO_4^-+Mn^ 2+ +H_2O MnO_2+H^+ (unbalanced), is:
- NO_3^- ions are converted to NH_4^+ ions by a suitable reactant. The equivalent masses of NO_3^- and NH_4^+ are:
- Titre value is the volume of titrant used for a definite amount of unknown reagent at its:
- The number of moles of Mohr's salt required per mole of dichromate ion is:
- When BrO_3^- ion reacts with Br^- ion in acidic solution, Br_2 is liberated. The equivalent weight of KBrO_3 is:
- The eq. wt. of FeC_2O_4 in, FeC_2O_4 Fe^ 3+ +2CO_2 is:
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