Question

when copper wire wasleft in a silver nitrate solutionfor someime, it was observed that the solution turned bluish green. explain the observation.

Answer 1

HENCE WHEN COPPER WIRE IS DIPPED IN SILVER NITRATE ( AgNO3 ) SOLUTION FORMING COPPER NITRATE WHICH IS BLUISH GREEN IN COLOUR. THIS IS A DISPLACEMENT REACTION. A SHINING GREY WHITE DEPOSIT IF SILVER IS FORMED ON THE COPPER STRIP AND THE SOLUTION BECOMES BLUISH GREEN DUE TO THE FORMATION OF COPPER NITRATE.

Answer 2

Answer:

When copper is added to silver nitrate, copper displaces silver from its solution and form copper nitrate which appears like blueish green colour. It is a displacement reaction.

Cu + 2AgNO3 ------------> Cu(NO3)2 + 2Ag

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