There are four test tubes containing dilute `HCl, BaCl_(2), HgCl_(2) \" and\" KNO_(3)`
Channel: Doubtnut
Date: 2020-01-26

There are four test tubes containing dilute `HCl, BaCl_(2), HgCl_(2) \" and\" KNO_(3)` solutions. Which of the following reagents will help in the identification of `BaCl_(2)` ?