Question

Which of the products is incorrectly matched

when the reactant is burnt in air ?

Reactant Product

a) Magnesium ribbon Magnesium oxide

b) Carbon Carbon dioxide

c) Sulphur Hydrogen sulphide

d) Hydrogen Water​

Answer 1

Answer:

c is the incorrectly matched

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Answer 2

Answer:

Sulphur - Hydrogen Sulphide is incorrectly matched.

Therefore, the option (c) is correct.

Explanation:

(a) The reaction of magnesium ribbon gives white powder magnesium oxide when burns in air. Magnesium reacts with  O₂ gas present in air.

2Mg  +  O₂   $\longrightarrow$   2MgO

(b)  Carbon and combine with oxygen (O₂) in air to produce carbon dioxide (CO₂) and releases a large amount of heat and some light.

C (s)  +  O₂ (g)  $\longrightarrow$   CO₂ (g)  + heat

(c) Sulphur when burnt in air forms Sulphur dioxide. In the presence of oxygen in air, Sulphur produces SO₂, which is acidic in nature.

S (s)  +  O₂ (g)  $\longrightarrow$   SO₂ (g)

(d) In a flame of pure H₂ gas, burning in air, the hydrogen (H₂) reacts with oxygen (O₂) to produce water (H₂O) and releases heat.

2H₂(g)  +  O₂(g)   $\longrightarrow$    2H₂O

Therefore, Sulphur produces Sulphur dioxide when burnt in air, not  Hydrogen sulphide.

To learn more about "Combustion reaction"

https://brainly.in/question/1071745

To learn more about "Redox reaction"

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