Beakers A, B, and C contain zinc sulphate, silver nitrate, and ferrous sulphate solutions respectively. Copper pieces are added to each beaker. Blue colour appears in the case of ___.

Beaker A

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Beaker B

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Beaker C

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All the beakers

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Solution

The correct option is B Beaker B
Copper is less reactive than zinc and iron, but is more reactive than silver and displaces silver from its salt solution.

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Beakers A, B, and C contain zinc sulphate, silver nitrate, and ferrous sulphate solutions respectively. Copper pieces are added to each beaker. Blue colour appears in the case of ___.

The correct option is B Beaker BCopper is less reactive than zinc and iron, but is more reactive than silver and displaces silver from its salt solution.

The correct option is B Beaker B
Copper is less reactive than zinc and iron, but is more reactive than silver and displaces silver from its salt solution.