STANDARDChemistry-Electrolysis
STANDARD Chemistry Electrolytic Decomposition MCQ Question
Type: MCQ-numerical-Medium
How many moles of oxygen gas can be produced during electrolytic decomposition of 180 g of water?
A
2.5 moles
B
5 moles
C
10 moles
D
7 moles
Correct Answer
Option B
Detailed Explanation
2H₂O → 2H₂ + O₂. 36 g of water produces 1 mole of O₂ gas. 180 g of water will produce 5 moles of O₂ gas.
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