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When zinc oxide is heated with cobalt nitrate, a green mass is formed due to (A) CoZnO2 (B) Rinmann’s green (C) Both A and B (D) Neither A nor B

When zinc oxide is heated with cobalt nitrate, a green mass is formed due to
    (A)    CoZnO2
    (B)    Rinmann’s green
    (C)    Both A and B
    (D)    Neither A nor B

Grade:11

1 Answers

Amit Saxena
35 Points
7 years ago

2Co(NO3)2 ---> 2CoO + 2NO2 + O2

 

ZnO + CoO ---> CoZnO2 or CoO.ZnO

                                     Rinmann’s Green

 

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