Redox Reactions questions
1186 published questions with worked solutions.
- Oxidation number of As atom in H_3AsO_4 is:
- A student states that heating of limestone is an oxidation process; the reason given is that an oxide of the metal is produced on...
- The oxidation number of sulphur in H_2S_2O_8 is:
- Which of the following is a redox reaction?
- Oxidation state of oxygen atom in potassium superoxide (KO_2) is:
- The reaction; H_2S+H_2O_2 2H_2O+S shows:
- In nitric oxide (NO), the oxidation state of nitrogen is:
- Oxidation number of carbon in KCN is:
- In which does SO_2 act as oxidant, while reacting with:
- In the reaction between acidified K_2Cr_2O_7 and iron(II) ions shown by the equation: Cr_2O_7^ 2- (aq)+6Fe^ 2+ (aq)+14H^+(aq)...
- When SO_2 is passed through acidified solution of potassium dichromate, chromium sulphate is formed. The change in oxidation...
- The oxidation number of phosphorus in PO_4^ 3- , P_4O_ 10 and P_2O_7^ 4- is:
- The oxidation number of Mn in MnO_2 is:
- Oxidation number of N in NOCl is:
- Oxidation number of Cl in NOClO_4 is:
- If three electrons are lost by a metal ion M^ 3+ , its final oxidation number will be:
- The oxidation number of arsenic in arsenate is:
- Which is not a redox reaction?
- Which reaction indicates the oxidising behaviour of H_2SO_4?
- In the reaction, 2Na_2S_2O_3+I_2 Na_2S_4O_6+2NaI, the oxidation state of sulphur is:
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