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QJEEM22Ch5c3c: JEE Main 2022 Chemistry - Class 12 JEEM22Ch5c3c Solution: The ( ∂ E ∂ T ) P of different types of half cells are as…

The (∂E∂T)P of different types of half cells are as follows:

A B C D
1×10−4 2×10−4 0.1×10−4 0.2×10−4

(Where E is the electromotive force)

Which of the above half cells would be preferred to be used as reference electrode?

Multiple Choice Options

  • A A
  • B B
  • C C
  • D D

Step-by-Step Verified Solution

A cell with less variation in EMF with temperature is preferred as a reference electrode because it can be used for a wider range of temperatures without much derivation from standard value so a cell with less (∂E∂T)P is preferred.

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