Question

a. Fill in the blanks:

Hydrogen is prepared in laboratory by the reaction of i)_________ with dilute hydrochloric acid. The hydrogen obtained is not pure. The impure hydrogen is passed through silver nitrate solution to remove ii)_________ and iii)_________. Then the impure hydrogen is passed through lead nitrate solution to remove iv)__________. Then finally hydrogen is passed through potassium hydroxide solution to remove v)_________.

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Answer 1

Answer:

Hydrogen is prepared in laboratory by the reaction of i)granulated zinc_ with dilute hydrochloric acid. The hydrogen obtained is not pure. The impure hydrogen is passed through silver nitrate solution to remove ii)Hydrgen sulphide gas and iii)__impurity_. Then the impure hydrogen is passed through lead nitrate solution to remove iv)____Hydrgen sulphide gas ______. Then finally hydrogen is passed through potassium hydroxide solution to remove v)__sulphurdioxide_______.

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Answer 2

Answer:

1 dilute sulphuric acid

2 arsine

3 phosphine

4 sulphide gas

5 sulphur dioxide

iam not sure about 5th so sorry but till 4th hope it helps✌️