When magnesium metal reacts with sulphuric acid it forms magnesium sulphate along with the evolution of hydrogen gas.

$M g + H_{2} S O_{4}$ $\to$ $M g S O_{4}$ + $H_{2}$

For experimental studies the conditions of the reaction was modified and rate of reaction was monitored. In which of the following case the occurance of the reaction is fastest?

Mg + H₂SO₄ → MgSO₄+ H₂ at 36^oC.

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Mg + H₂SO₄→MgSO₄+ H₂ at 16^oC.

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Mg + H₂SO₄→ MgSO₄+ H₂ at 0^oC.

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Mg + H₂SO₄→ MgSO₄+ H₂ at 26^oC.

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Solution

The correct option is A
Mg + H₂SO₄ → MgSO₄+ H₂ at 36^oC.

With rise in temperature the rate of the chemical reaction also increases. So, the reaction occuring at $36^{o}$ C is the fastest.

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Similar questions

M g + H_{2} S O_{4} \to M g S O_{4} + H_{2}

In this reaction, which mass of magnesium sulphate is formed when 6g of magnesium react with excess sulphuric acid?

Q. The equation shows the reaction between magnesium and sulphuric acid:

M g + H_{2} S O_{4} ⟶ M g S O_{4} + H_{2}

In this reaction, calculate the mass of magnesium sulphate formed when 6g of magnesium reacts with excess sulphuric acid?

What weight of sulphuric acid will be required to dissolve 3 grams of magnesium carbonate?
[Mg = 24, C = 12, O = 16]
MgCO₃ + H₂SO₄ $\overset{}{\to}$ MgSO₄ + H₂O + CO₂

Considering the following reactions, which is the most reactive metal of the given metals?
Mg + ZnSO₄→MgSO₄ +Zn
2Na + MgSO₄ →Na₂SO₄ + Mg
2Na + ZnSO₄ →Na₂SO₄ +Zn

Q. Fill the given table with the appropriate compounds which will complete the following reactions.

R e a c t i o n \Rightarrow R e a c t a n t 1 + R e a c t a n t 2 \to P r o d u c t 1 + P r o d u c t 2

$R e a c t a n t 1$	$R e a c t a n t 2$	$P r o d u c t 1$	$P r o d u c t 2$
$M g$	$H_{2} S O_{4}$	1	$H_{2}$
$N a$	2	$N a C l$	$H_{2}$
3	$H_{2} S O_{4}$	$Z n S O_{4}$	$H_{2}$
$A l$	$H C l$	4	$H_{2}$

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The correct option is A Mg + H2SO4 → MgSO4 + H2 at 36oC. With rise in temperature the rate of the chemical reaction also increases. So, the reaction occuring at 36oC is the fastest.

The correct option is A
Mg + H₂SO₄ → MgSO₄+ H₂ at 36^oC.

With rise in temperature the rate of the chemical reaction also increases. So, the reaction occuring at $36^{o}$ C is the fastest.