Redox Reactions questions
1186 published questions with worked solutions.
- Which does not get oxidised by bromine water?
- Which has the least number of equivalent per mole of the reactant?
- Which has the maximum number of equivalent per mole of the oxidant?
- 2.68 10^ -3 moles of A^ n+ is oxidised to AO_3^- by 1.61 10^ -3 moles of MnO_4^- which is reduced to Mn^ 2+ in acidic medium....
- How many of the following species have more than one oxidation state (except zero)? Cu, Zn, Cr, Mn, Cl, O, P, Sn, Al
- Difference in oxidation number of two Cl atoms in bleaching powder is x. What is the value of x?
- In the following half-reaction Cr_2O_7^ 2- Cr^ 3+ , molar mass of Cr_2O_7^ 2- =x equivalent mass. What is the value of x?
- How many of the following underlined atoms have different oxidation number? H_2S_2O_3, H_2S_4O_6, CaOCl_2, CrO_5, CrO_3,...
- S_2O_3^ 2- has two types of sulphur. What is the difference in oxidation states of two types of sulphur?
- How many moles of KMnO_4 are required to oxidize 10 moles of iron (II) sulphate (IV) in acidic medium?
- How many of the following underlined atoms have oxidation number of (+6)? H_2S_2O_3, H_2SO_5, H_2S_2O_8, H_2S_2O_7, H_2Cr_2O_7,...
- What is the oxidation number of Cr in (NH_3)_3Cr(O_2)_2?
- Which of the following behave as oxidizing agent as well as reducing agent? HNO_2, H_3PO_2, H_2O_2, N_2H_4, HNO_3, MnO_2
- In oxysalt of Mn, equivalent mass is one-fifth of ionic mass of oxysalt. What is the oxidation number of Mn in oxysalt?
- For the following reaction, N_2+3H_2 2NH_3, equivalent mass of N_2= molar mass of N_2 x . What is the value of x?
- In one of the following reactions, HNO_3 does not behave as an oxidising agent. Identify it. [Kerala CEE 2003]
- The following species will not exhibit disproportionation reaction:
- Fluorine is the best oxidising agent because it has [WB-JEE 2006]
- The strongest reducing agent among the following is
- Oxygen exhibits a positive oxidation state in
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