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Reaction with Metal Oxides

Ammonia is he...

Question

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

A

PbO and Cu

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B

CuO and Pb

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C

PbO and Pb

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D

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.

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

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Classify oxides into acidic, basic, amphoteric, and neutral.

SO₂, CO, CO₂, NO₂, N₂O, Na₂O, PbO, CuO, FeO

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

identify the subs oixed / reduced. mno2 + 4hl arrow mncl2 + cl2 +2h2o . fe2o3 +al arrow fe +al2o3. pbo +c arrow pb + co . cuo +h2 arrow cu +h2o.

Q. Name these compounds and write down the number of atoms of each kind that combine to form them. One example is done for you.
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b)NH₃+CuO gives Cu+N₂+H₂O

c)NaOH+H₂SO₄ gives Na₂SO₄ +H₂O

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