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A student observes the following reaction during heating of copper powder in air. 2Cu + O โ โ 2CuO Later, hydrogen gas is passed over the black copper oxide and reddish-brown copper is obtained. CuO + H โ โ Cu + H โ O Which substance is oxidized in first reaction and reduced in second reaction ?
Oxygen in first reaction and Copper oxide in second reaction
Copper oxide in first reaction and Copper in second reaction
Copper in first reaction and Copper oxide in second reaction
Hydrogen in first reaction and Copper oxide in second reaction Question ID : 4410091825949 Option 1 ID : 4410097198047 Option 2 ID : 4410097198049 Option 3 ID : 4410097198046 Option 4 ID : 4410097198048 Status : Answered Chosen Option : C
Copper in first reaction and Copper oxide in second reaction
Practice and solve "A student observes the following reaction during heating of copper powder in air. 2Cu + O โ โ 2CuO L..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Copper in first reaction and Copper oxide in second reaction. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A student observes the following reaction during heating of copper powder in air. 2Cu + O โ โ 2CuO L..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Copper in first reaction and Copper oxide in second reaction. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.