Chemistry questions
29404 published questions with worked solutions.
- MnO_4^- is a good oxidising agent in different medium changing to MnO_4^- Mn^ 2+ ; MnO_4^- MnO_4^ 2- ; MnO_4^- MnO_2 ; MnO_4^-...
- The couple having oxidised and reduced forms of a substance taking part in an oxidation or reduction half-reaction is called
- Which of the following is a redox reaction?
- Given, x Na_2HAsO_3 + y NaBrO_3 + z HCl NaBr + H_3AsO_4 + NaCl The value of x, y and z in the above redox reaction respectively...
- What is the oxidation number of Mn in MnO_4^ 2- ion? [MHTCET PREVIOUS YEAR MCQ 2020, MHTCET 2020]
- What is the oxidation number of As in H_3AsO_3 ? [MHTCET 2020, MHTCET 2020]
- In the reaction, MnO_4^ 2- (aq) + Br^-(aq) MnO_2(s) + BrO_3^-(aq) , the correct change in oxidation number of the species...
- The oxidation state of sulphur in H_2S_2O_7 , be is [MHTCET 2019, MHTCET 2022]
- The oxidation number of sulphur in S_8 molecule is [MHTCET 2021, MHTCET 2021]
- Oxidation state of nitrogen in nitric oxide is [MHTCET 2019, MHTCET 2017]
- What is the oxidation number of gold in the complex [ AuCl_4 ]^ 1- ? [MHTCET 2018, MHTCET 2018]
- Oxidation number of 'S' in Na_2S_4O_6 is
- Oxidation number of Fe in K_3[Fe(CN)_6] is
- When potassium permanganate is titrated against ferrous ammonium sulphate the equivalent weight potassium permanganate is
- Which of the following is the correct oxidation number of phosphorus in Mg_2P_2O_7 ?
- The oxidation number of carbon in H_2C_2O_4 is
- Which of the following reaction depict the oxidizing behavior of H_2SO_4 ?
- Oxidation number of S in S_2O_3^ 2- is
- The study of electrochemistry is totally dependent on the concept of
- In the process of electrolysis, the positive and negative ions of the electrolyte are