Ammonia is heated with black metallic oxide X to give reddish brown metal Y. What is X and Y?

PbO and Cu

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CuO and Pb

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PbO and Pb

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CuO and Cu

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Solution

The correct option is D
CuO and Cu

When ammonia is passed over heated copper oxide, the black copper oxide is reduced to reddish brown copper.

$2 N H_{3} (g) + 3 C u O (s) B l a c k s o l i d \to 3 C u (s) R e d d i s h b r o w n s o l i d + 3 H_{2} O (g) + N_{2} ↑$

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Ammonia is heated with black metallic oxide X to give reddish brown metal Y. What is X and Y?

The correct option is D CuO and Cu When ammonia is passed over heated copper oxide, the black copper oxide is reduced to reddish brown copper. 2NH3 (g)+3CuO (s)Black solid→3Cu (s)Reddish brown solid+3H2O (g)+N2↑

The correct option is D
CuO and Cu

When ammonia is passed over heated copper oxide, the black copper oxide is reduced to reddish brown copper.

$2 N H_{3} (g) + 3 C u O (s) B l a c k s o l i d \to 3 C u (s) R e d d i s h b r o w n s o l i d + 3 H_{2} O (g) + N_{2} ↑$