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Acid Rain

The two stron...

Question

The two strong acids present in the acid rain are:

A

H N O_{2}

and

H N O_{3}

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B

H_{2} S O_{4}

and

H N O_{3}

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C

H_{2} S O_{3}

and

H_{2} S O_{4}

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D

H_{2} C O_{3}

and

H C l

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Solution

The correct option is A $H_{2} S O_{4}$ and $H N O_{3}$
Acid rain is caused by emission of nitrogen oxide and sulphur dioxide. These two gases react with water in the atmosphere and oxygen in the air to form sulphuric acid and nitric acid.

$2 S O_{2} + O_{2} + 2 H_{2} O \to 2 H_{2} S O_{4}$

$4 N O_{2} + O_{2} + 2 H_{2} O \to 4 H N O_{3}$

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Similar questions

Q. What is meant by strong acids and weak acids? Classify the following into strong acids and weak acids:

HCl, {CH}_{3} COOH, H_{2} {SO}_{4}, {HNO}_{3}, H_{2} {CO}_{3}, H_{2} {SO}_{3}

Q. Some examples of organic acids are

HCl, H_{2} {SO}_{4} and {HNO}_{3}

.

Q. Compared to other acids like

H C l, H N O_{3}, H_{2} S O_{4}

is highly syrupy and viscous in nature. Identify the correct reason.

Q. Assertion :It is difficult to distinguish the strengths of the strong acids such as

H C l, H_{2} S O_{4}, H N O_{3}, H B r o r H C l O_{4}

in dilute aqueous solutions. Reason: In dilute aqueous solution all strong acids donate a proton to water and are essentially 100 % ionised to produce a solution all strong acids

Q. Assertion :Heat of neutralisation of

H N O_{3}

N a O H

is same as that of

H C l

K O H

H N O_{3}

H C l

are strong acids and

N a O H

K O H

are strong bases.

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