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Question: Answered & Verified by Expert
The reason why saturated solution of KNO3 is used to make ‘salt-bridge’
ChemistryElectrochemistryNEET
Options:
  • A Velocity of K+ is greater than that of NO3-
  • B Velocity of NO3- is greater than that of K+
  • C Velocities of both K+ and NO3- are nearly the same
  • D KNO3 is highly soluble in water
Solution:
2000 Upvotes Verified Answer
The correct answer is: Velocities of both K+ and NO3- are nearly the same
Velocities of both K+ and NO3- are nearly the same in KNO3 so it is used to make salt-bridge.

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