Redox Reactions questions
1186 published questions with worked solutions.
- What is the change in oxidation number of Cr in the following redox reaction? 3H_2O_ 2 (aq) + Cr_2O_7^ 2- _ (aq) + 8 ,H^ +(aq)...
- Which from following is strongest reducing agent?
- What is oxidation state of oxygen in OF_2 and in KO_2 respectively
- Which of the following is NOT a redox reaction?
- Which from following elements exhibits usual tendency to undergo reduction?
- What is the change in oxidation number of selenium in the following redox reaction? SeO_ 3 ,(aq.) ^ 2- + Cl_ 2(g) + 2OH^- SeO_ 4...
- Which among the following species is reduced by tin easily?
- What is the oxidation number of Pt in PtCl_6^ 2- ?
- What is the number of moles of electrons gained by one mole oxidising agent in following redox reaction? Zn_ (s) + 2HCl_ (aq)...
- For the following redox reaction, find the correct statement Sn^ 2+ + 2Fe^ 3+ Sn^ 4+ + 2Fe^ 2+
- Calculate the oxidation number of Cr in CrO_4^ 2- ion and K_2Cr_2O_7 respectively?
- Which of the following phenomena represents oxidation?
- What is oxidation state of chlorine in chlorous acid?
- What is the oxidation number of oxygen in KO_2 ?
- Identify oxidation state of cobalt ion in the complex, [Co(NH_3)_5Br]SO_4
- What is the oxidation number of Mn in MnO_4^- ?
- What is the oxidation state of phosphorus in phosphate ion?
- Identify oxidation number of Sulphur respectively in SO_2 and SO_4^ 2-
- What is the change in oxidation number of Pb at positive electrode of lead accumulator acting as galvanic cell ?
- Which of the following reactions is NOT an example of redox reaction?
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