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Question

What is the yellow coloured amphoteric oxide that reacts with caustic soda to give a colourless salt of sodium plumbate and water?



A

Sodium oxide

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B

Potassium oxide

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C

Lead oxide

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D

Zinc oxide

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Solution

The correct option is D

Lead oxide


Lead oxide reacts with sodium hydroxide to give sodium plumbate and water.

PbOYellow+2NaOHNa2PbO2Sodium plumbateColourless soluble+2H2O


Chemistry

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