Verified Solution • 2025–26 Session moderate

QJEEM21Chdd2d: JEE Main 2021 Chemistry - Class 12 JEEM21Chdd2d Solution: Which one of the following when dissolved in water gives…

Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?

Multiple Choice Options

  • A CuCl2
  • B AgCl
  • C ZnCl2
  • D Cu2Cl2

Step-by-Step Verified Solution

(a) CuCl2 + nH2O →\to Cu (aq.)+2_{(aq.)}^{ + 2} (blue colour)

(b) AgCl + nH2O →\to Insoluble

(c) ZnCl2 + nH2O →\to Zn (aq.)+2_{(aq.)}^{ + 2} Colourless

(d) Cu2Cl2 + nH2O →\to Insoluble

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