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Test For Chlorine — Chemistry Keypoint

Test For Chlorine

It is greenish-yellow gas with an irritating smell,

  • Action on damped litmus paper – the piece of damp blue litmus turns red and then becomes bleached.
  • Action on starch – iodide paper – turns the paper dark blue.
    2KL(aq) + CL2(g)  →  2KCL(aq)+ L2(s)

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