Redox Reactions questions
1186 published questions with worked solutions.
- Given below are two statements: Statement (I): Oxidising power of halogens decreases in the order F₂ > Cl₂ > Br₂ > I₂, which is...
- Which of the following sets includes all the species that will change the orange colour of K₂Cr₂O₇ in acidic medium?
- In order to oxidise a mixture of 1 mole each of FeC₂O₄, Fe₂(C₂O₄)₃, FeSO₄ and Fe₂(SO₄)₃ in acidic medium, the number of moles of...
- Given below are two statements: Statement I: Sodium dichromate and potassium dichromate are classified as primary standards in...
- 500 mL of 0.2 M MnO₄⁻ solution in basic medium when mixed with 500 mL of 1.5 M KI solution, oxidises iodide ions to liberate...
- On balancing the given redox reaction, a Cr _2 O _7^ 2- +b SO _3^ 2- (aq)+c H ^+(aq) 2a Cr ^ 3+ (aq)+b SO _4^ 2- (aq)+ c2 H _2 O...
- Which of the following reactions is the metal displacement reaction? Choose the right option.
- Identify the incorrect statements regarding primary standard of titrimetric analysis A. It should be purely available in dry...
- Which of the following cannot function as an oxidising agent?
- 1 mole of PbS is oxidised by "X" moles of O₃ to get "Y" moles of O₂. X + Y = ____.
- In chromyl chloride test for confirmation of Cl⁻ ion, a yellow solution is obtained. Acidification of the solution and addition...
- In alkaline medium, MnO₄⁻ oxidises I⁻ to
- Reduction potential of ions are given below: ClO₄⁻ E° = 1.19 V, IO₄⁻ E° = 1.65 V, BrO₄⁻ E° = 1.74 V. The correct order of their...
- Total number of species from the following which can undergo disproportionation reaction is ________. H₂O₂, ClO₃⁻, P₄, Cl₂, Ag,...
- 2MnO₄⁻ + bI⁻ + cH₂O → xI₂ + yMnO₂ + zOH⁻. If the above equation is balanced with integer coefficients, the value of z is ________.
- In the reaction of potassium dichromate, potassium chloride and sulfuric acid (conc.), the oxidation state of the chromium in the...
- Number of moles of H⁺ ions required by 1 mole of MnO₄⁻ to oxidise oxalate ion to CO₂ is ________.
- The sum of oxidation states of two silver ions in [Ag(NH_3)_2] [Ag(CN)_2] complex is _______.
- The correct statements about H_2O_2 are : (A) used in the treatment of effluents. (B) used as both oxidising and reducing agents....
- The exact volumes of 1 M NaOH solution required to neutralise 50 mL of 1 M H_3PO_3 solution and 100 mL of 2 M H_3PO_2 solution,...
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