Redox Reactions questions
1186 published questions with worked solutions.
- Oxidation states of the metal in the minerals haematite and magnetite, respectively, are [IIT JEE 2011]
- The oxidation number of oxygen in KO_3, Na_2O_2 is [VITEEE 2008]
- The reaction, P_4 + 3NaOH + 3H_2O 3NaH_2PO_2 + PH_3 is an example of [OJEE 2008]
- The oxidation number of Cr in K_2CrO_4 is
- The reaction, Ag^ 2+ (aq) + Ag(s) 2Ag^+(aq) is an example of [BCECE 2003]
- Which of the following is a redox reaction? [Jamia Millia Islamia 2005]
- Of the following reactions, only one is a redox reaction. Identify this reaction. [J&K CET 2003]
- For redox reaction, MnO_4^- + C_2O_4^ 2- + H^+ Mn^ 2+ + CO_2 + H_2O coefficient of reactants in balanced states are MnO_4^- ___...
- The number of moles of KMnO_4 reduced by one mole of KI in alkaline medium is
- What is the oxidation number of chlorine in ClO_3^-?
- Manganese acts as strongest oxidising agent in the oxidation state
- The oxidation state of sulphur in sodium tetrathionate (Na_2S_4O_6) is
- In which of the following, the oxidation number of oxygen has been arranged in increasing order? [Kerala CEE 2008]
- Which one of the following reactions involves disproportionation? [Kerala CEE 2008]
- Each question contains an Assertion and a Reason. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is...
- Statement 1: Bromide ion is serving as a reducing agent in a reaction. Statement 2: Oxidation number of Br increases from −1 to...
- Statement 1: Both oxygen atoms in O_2 or O_3 has an oxidation number of −2. Statement 2: Oxygen is assigned an oxidation number...
- Statement 1: Mg(s)+F_2(s) MgF_2(s): Magnesium loses electrons and acts as a reducing agent. Statement 2: Reduction in general...
- Which of the following acts as an oxidizing agent?
- The value of n in MnO_4^- + 8H^+ + ne^- Mn^ 2+ + 4H_2O is
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