Q48 / 199 · NTA Abhyas (NEET) 2020 · Chemistry · Electrochemistry

Given that

I2+2e-→2I⊖;E⊖=0.54 V
Br2+2e-→2Br⊖;E⊖=1.69 V

Predict which of the following is true

  • Correct answer
    A
    I⊖ ions will be able to reduce bromine
  • B
    Br⊖ ions will be able to reduce iodine
  • C
    Iodine will be able to reduce bromine
  • D
    Bromine will be able to reduce iodide ions

Solution

Since the reduction potential of Br2|2Br⊖ is greater than the reduction potential of I2|2I⊖ , so I⊖ ions will reduce Br2 .

Hence, the correct answer is option: 'A'.

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