Redox Reactions questions
1186 published questions with worked solutions.
- What is the difference of oxidation number(s) of the sulphur atoms in Na_2S_2O_3?
- What is the difference of oxidation number of nitrogen in NH_4NO_3?
- What is the sum of oxidation numbers of the carbon atom in HCN and HNC?
- What is the sum of the oxidation number and covalency of sulphur in the S_8 molecule?
- Among the following ten oxygen-containing species: OF_2, O_2F_2, H_2O_2, BaO_2, KO_2, RbO_2, O_2, O_3, H_2O, CO_2 — in how many...
- 3CuO+2NH_3 3Cu+N_2+3H_2O. In the above reaction, the equivalent mass of NH_3 is 17/m and that of N_2 is 28/n. Find the value of...
- The equivalent mass of KMnO_4 in acidic and neutral medium are M/x and M/y respectively, where M is the molecular mass of KMnO_4....
- The molecular mass of K_2Cr_2O_7 is 294. What is the equivalent mass of K_2Cr_2O_7 in acidic medium?
- What is the sum of two different oxidation states of an element in Mn_3O_4?
- IO_3^-+wI^-+xH^+ yH_2O+zI_2. In the balanced form of the above equation, find the value of w+x+y+z.
- How many moles of electrons are required to convert one mole of nitrate ion to hydrazine?
- One mole of cyanide ion is present in a test-tube. Following two reactions take place in the oxidation process of it in acidic...
- Balance this ionic equation and find the value of x+y+z: 2Cr(s)+xOH^- yCr(OH)_4^-+zH_2(g)
- What is the average change in oxidation number of the elements in this redox reaction? Cl_2+NaOH NaCl+NaClO_3+H_2O
- How many of the following reactions are redox reactions? 1. CaO+SO_3 CaSO_4; 2. 4Cu+O_2 2Cu_2O; 3. MgO+CO_2 MgCO_3; 4. SO_2+H_2O...
- The oxidation number of hydrogen in LiH is ____.
- The oxidation number of P in the H_2P_2O_7 ion is ____.
- The number of species from the following having +2 oxidation state of the metal ion is ____: FeO, Fe_2O_3, CuI_2, CuO, SnCl_4,...
- In Br_3O_8, the oxidation number of the Br atom which is bonded to two other bromine atoms is ____.
- How many of the following statements refer to 'oxidation'? 1. Addition of oxygen; 2. Addition of electropositive element; 3....
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