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Question: Answered & Verified by Expert
In Bredig's arc method some alkali is added because
ChemistrySurface ChemistryJEE Main
Options:
  • A It increases electrical conductance
  • B To obtain molecular colloid
  • C To obtain colloidal particles of same size
  • D To stabilise the sol
Solution:
2547 Upvotes Verified Answer
The correct answer is: To stabilise the sol
Correct option is 4. To stabilise the sol
The purpose of alkali is to act as a stabilizer of the sols.

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