For the electrolysis of acidulated water, dilute sulphuric acid $d i l . H_{2} S O_{4}$ is preferred over dilute nitric acid $d i l . H N O_{3}$ for acidification.

True

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False

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Solution

The correct option is A
True

Nitric acid is volatile than sulphuric acid, nitric acid may decompose and interfere with the electrolytic reaction,whereas dilute sulphuric acid will initiate the dissociation of water molecules into hydrogen and hydroxyl ions, and water starts acting as electrolyte.

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Q. Give a reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.

Dilute acids like hydrochloric acid (HCl), sulphuric acid $H_{2} S O_{4}$ react with certain active metals to evolve hydrogen gas and form their metallic salts.

Suppose, in your lab, you have run out of dilute Sulphuric acid. You require dilute $H_{2} S O_{4}$ for an important synthesis but only have concentrated Sulphuric acid, water and a glass beaker. How will you synthesize dilute $H_{2} S O_{4}$ ?

During the process of electrolysis of water, dilute sulphuric acid splits into

Q. Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric and concentrated nitric would you choose for the preparation of hydrogen? Explain why you would not use the acids you reject.

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For the electrolysis of acidulated water, dilute sulphuric acid dil.H2SO4is preferred over dilute nitric acid dil.HNO3 for acidification.

The correct option is A True Nitric acid is volatile than sulphuric acid, nitric acid may decompose and interfere with the electrolytic reaction,whereas dilute sulphuric acid will initiate the dissociation of water molecules into hydrogen and hydroxyl ions, and water starts acting as electrolyte.

For the electrolysis of acidulated water, dilute sulphuric acid $d i l . H_{2} S O_{4}$ is preferred over dilute nitric acid $d i l . H N O_{3}$ for acidification.

The correct option is A
True

Nitric acid is volatile than sulphuric acid, nitric acid may decompose and interfere with the electrolytic reaction,whereas dilute sulphuric acid will initiate the dissociation of water molecules into hydrogen and hydroxyl ions, and water starts acting as electrolyte.