Question

When a strip of red-brown metal X is placed in a colourless salt solution YNO3 then metal Y is set free and a blue coloured salt solution X(NO3)2 is formed. The liberated metal Y forms a shining white deposit on the strip of metal X.
(a) What do you think metal X is ?
(b) Name the salt YNO3.
(c) What could be metal Y ?
(d) Name the salt X(NO3)2.
(e) What type of reaction takes place between metal X and salt solution YNO3 ?

Lakhmir Singh Chemistry Class 10

Answer 1

Explanation:

(a) Metal X is Copper (Cu)

(b) The salt YNO3 is Silver Nitrate. (AgNO3)

(c) Metal Y is silver (Ag)

(d) The salt X(NO3)2 is Copper Nitrate.

(e) Displacement reaction takes place between metal X and salt solution YNO3.

The reaction is - Cu + AgNO3​ → Cu(NO3)2 + Ag

Answer 2

Answer:

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