Maximum number of moles of oxygen gas that can be obtained by the electrolytic decomposition of 90 g of water will be

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2.5

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Solution

The correct option is B 2.5
Electrolytic decomposition of 18 g of water gives 0.5 mole of O2.
So 90 g of water will give (0.5/18)×90 = 2.5 moles of O2.
The max. no of moles of oxygen gas is 2.5 moles

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Maximum number of moles of oxygen gas that can be obtained by the electrolytic decomposition of 90 g of water will be

The correct option is B 2.5Electrolytic decomposition of 18 g of water gives 0.5 mole of O2.So 90 g of water will give (0.5/18)×90 = 2.5 moles of O2.The max. no of moles of oxygen gas is 2.5 moles

The correct option is B 2.5
Electrolytic decomposition of 18 g of water gives 0.5 mole of O2.
So 90 g of water will give (0.5/18)×90 = 2.5 moles of O2.
The max. no of moles of oxygen gas is 2.5 moles