NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- Redox Reactions
NTA Abhyas 2020 · Chemistry · Redox Reactions
Which of the following combination of reagents does not undergo...
Which of the following combination of reagents does not undergo redox reaction in aqueous medium?
Options
- A
- B
- C
- D
Correct answer
C.
Step-by-step solution
Here the reaction between is not a redox reaction while rest other are redox reactions
{\text{Pb(CH}_{3} {\text{COO)}_{2} + \text{KI}\mathop{→}_{\text{Non-redox}\text{reaction}^{\text{Ion}\text{exchange}\text{reaction}} {\text{PbI}_{2} ↓ + {\text{CH}_{3} \text{COOK}
{\text{SnCl}_{2} + {\text{HgCl}_{2} \overset{\text{Redox}}{→} \text{Hg} ↓ + {\text{SnCl}_{4}
{\text{CuSO}_{4} + \text{KCN} \to {K}_{2} {\text{SO}_{4} + {\text{Cu(CN)}_{2} ↓ \mathop{→}_{\text{Intramolecular}\text{redox}^{\text{Spontaneous}\text{(R}\text{.T}\text{.)}} \text{Cu(CN)} ↓ + {\text{(CN)}_{2} ↑
{\text{Ag}_{2} \text{O} + {\text{SO}_{2} \overset{\text{Rediox}}{→} \text{Ag} + {\text{SO}_{3} ↑
{\text{Pb(CH}_{3} {\text{COO)}_{2} + \text{KI}\mathop{→}_{\text{Non-redox}\text{reaction}^{\text{Ion}\text{exchange}\text{reaction}} {\text{PbI}_{2} ↓ + {\text{CH}_{3} \text{COOK}
{\text{SnCl}_{2} + {\text{HgCl}_{2} \overset{\text{Redox}}{→} \text{Hg} ↓ + {\text{SnCl}_{4}
{\text{CuSO}_{4} + \text{KCN} \to {K}_{2} {\text{SO}_{4} + {\text{Cu(CN)}_{2} ↓ \mathop{→}_{\text{Intramolecular}\text{redox}^{\text{Spontaneous}\text{(R}\text{.T}\text{.)}} \text{Cu(CN)} ↓ + {\text{(CN)}_{2} ↑
{\text{Ag}_{2} \text{O} + {\text{SO}_{2} \overset{\text{Rediox}}{→} \text{Ag} + {\text{SO}_{3} ↑