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Lead Ion

When hot conc...

Question

When hot concentrated potassium hydroxide is added to lead, potassium oxide is obtained as the major product and hydrogen gas is liberated in the process.

A

True

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B

False

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Solution

The correct option is B
False

When hot concentrated potassium hydroxide is added to lead, potassium plumbite, is obtained and hydrogen gas is liberated in the process. The salt formed i.e., potassium plumbite is a soluble salt.

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Q. Like most alkali metals, potassium reacts with water to form basic potassium hydroxide and hydrogen gas according to the reaction,

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What amount of hydrogen gas will be formed when 117 g of potassium is added to 72 g of water?

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