Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?
Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?
Option 1 -
Sodium hydroxide
Option 2 -
Hydrochloric acid
Option 3 -
Nitric acid
Option 4 -
Ammonia
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1 Answer
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Correct Option - 3
Detailed Solution:NaCN converted into HCN and Na2S converted into H2S
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