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Which of the following transformations can be carried out by using HI as a rducing agent, under acidic conditions? [Given : . .I₂(s) 2 |⁻ E^ =0.54 ~V ] (i) Cu ⁺ Cu ( s ) E ^ =0.52 ~V (ii) Cr ³⁺ Cr ²⁺ E ^ =-0.41 ~V (iii) Fe ³⁺ Fe ²⁺ E ^ =0.77 ~V (iv) Fe ²⁺ Fe ( s ) E ^ =-0.44 ~V

Options

  1. A(i) and (iii)
  2. B(ii) and (iv)
  3. Conly (iii)
  4. Donly (ii)

Correct answer

C. only (iii)

Step-by-step solution

Fe ⁺³ Fe ⁺² is having maximum SRP value.

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