Question

During halogen test, sodium fusion extract is boiled with concentrated HNO₃ to ______.

पर्याय

• remove unreacted sodium 

• decompose cyanide or sulphide of sodium 

• extract halogen from organic compound

• maintain the pH of extract

Answer 1

During halogen test, sodium fusion extract is boiled with concentrated HNO₃ to decompose cyanide or sulphide of sodium.

Explanation:

Sodium fusion extract is boiled with concentrated HNO₃ to remove sodium cyanide and sodium sulphide.