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Standard XII

Chemistry

Thermal Decomposition of Alkanes

If 2 moles of...

Question

If 2 moles of H₂ and O₂ are available for the reaction, identify the limiting reagent for the reaction,

2H₂ + O₂ → 2H₂O

H₂

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O₂

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H₂O

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Both H₂ and O₂

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Solution

The correct option is A
H₂

Only 1 mole of O₂is required for the complete combustion of 2 moles of H_2,hydrogen is the limiting reagent.

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Similar questions

Q. For the reaction,

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

Initially, 3 moles of

H_{2}

and 2 moles of

O_{2}

are present. Identify the correct statement.

Q. For the reaction,

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

Initially,

3

moles of

H_{2}

and

2

moles of

O_{2}

are present. Identify the correct statement.

Q. In the following reaction

2 H_{2} O_{2} ⟶ 2 H_{2} O + O_{2}

rate of formation of

O_{2}

is 36g/min, what is the rate of disappearance

H_{2} O_{2}

Q. Assertion: When 4 moles of

H_{2}

react with 2 moles of

O_{2}

, then 4 moles of water is formed.
Reason:

O_{2}

will act as the limiting reagent

The possible mechanism for the reaction:

$2 H_{2 +} 2 N O \to N_{2} + 2 H_{2} O$ is

$(i) 2 N O ⇌ N_{2} O_{2} (i i) N_{2} O_{2} + H_{2} \to N_{2} O + H_{2} O (slow) (i i i) N_{2} O + H_{2} \to N_{2} H_{2} O (fast)$ What is (i) the rate law for the reaction (ii) the order of the reaction?

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If 2 moles of H2 and O2 are available for the reaction, identify the limiting reagent for the reaction, 2H2 + O2 → 2H2O

The correct option is A H2 Only 1 mole of O2 is required for the complete combustion of 2 moles of H2, hydrogen is the limiting reagent.

If 2 moles of H₂ and O₂ are available for the reaction, identify the limiting reagent for the reaction,

2H₂ + O₂ → 2H₂O

The correct option is A
H₂

Only 1 mole of O₂is required for the complete combustion of 2 moles of H_2,hydrogen is the limiting reagent.