Please refer to Assignments Class 11 Chemistry Redox Reactions Chapter 8 with solved questions and answers. We have provided Class 11 Chemistry Assignments for all chapters on our website. These problems and solutions for Chapter 8 Redox Reactions Class 11 Chemistry have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.
Redox Reactions Assignments Class 11 Chemistry
Question. The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is
(d) One fifth.
Question. The ionic mobility of alkali metal ions in aqueous solution is maximum for
Question. CrO5 has structure as shown, The oxidation number of chromium in the compound is?
Question. Which of the following is a redox reaction?
(a) NaCl + KNO3 → NaNO3 + KCl
(b) Mg(OH)2 + 2NH4Cl → MgCl2 + 2NH4OH
(c) CaC2O4 + 2HCl → CaCl2 + H2C2O4
(d) 2Zn + 2AgCN → 2Ag + Zn(CN)2
Question. The oxidation number of Xe in BaXeO6 is
Question. The oxidation process involves
(a) Increase in oxidation number
(b) Decrease in oxidation number
(c) No change in oxidation number
(d) none of the above
Question. KMnO4 reacts with oxalic acid according to the equation 2MnO4– + 5C2O42- + 16H+ → 2Mn2+ + 10CO2 + 8H2O Here 20 mL of 0.1 M KMnO4 is equivalent to
(a) 50 mL of 0.5 M C2H2O4
(b) 20 mL of 0.1 M C2H2O4
(c) 20 mL of 0.5 M C2H2O4
(d) 50 mL of 0.1 M C2H2O4
Question. The oxidation number of Fe in K4 [Fe (CN)6] is
Question. The colourless solution of silver nitrate slowly turns blue on adding copper chips to it because of
(a) Dissolution of Copper
(b) Oxidation of Ag+ → Ag
(c) Reduction of Cu2+ ions
(d) Oxidation of Cu atoms.
Question. Which of the following statements regarding sulphur is incorrect ?
(a) S2 molecule is paramagnetic.
(b) The vapour at 200° C consists mostly of S8 rings.
(c) At 600°C the gas mainly consists of S2 molecules.
(d) The oxidation state of sulphur is never less than +4 in its compounds.