Moist ethylene can be dried by passing it through concentrated sulphuric acid.

True

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False

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Solution

The correct option is B False
Moist ethylene cannot be dried by passing it through concentrated sulphuric acid. Ethylene on reaction with sulphuric acid gives ethyl hydrogen sulphate. Moist ethylene can be dried by $P_{2} O_{5}$ .

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Similar questions

Q. Which one of the following gases cannot be dried by passing though concentrated sulphuric acid?

Give reasons for the following:
(i) In the contact process, sulphur trioxide formed is dissolved in 98% sulphuric acid and not in water.
(ii) When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
(iii) When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
(iv) When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
(v) Sulphuric acid can form two kinds of salts with sodium chloride.
(vi) When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
(vii) When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
(viii) Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
(ix) When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
(x) Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
(xi) When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
(xii) Concentrated sulphuric acid must be stored in airtight bottles.
(xiii) Cotton clothes get burnt with concentrated sulphuric acid.
(xiv) H₂SO₄ cannot be prepared by heating sodium sulphate with conc. HCl or HNO₃.

Q. Assertion :A mixture of alkene and alkane can be separated by passing the mixture through a cold, concentrated sulphuric acid solution. Reason: Alkene is absorbed in the solution while alkane passes unreacted.

H_{2} S

gas can be dried by passing through

c o n c . H_{2} S O_{4}

Q. Gas which can be dried by passing through conc.

H_{2} S O_{4}

is:

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Moist ethylene can be dried by passing it through concentrated sulphuric acid.

The correct option is B FalseMoist ethylene cannot be dried by passing it through concentrated sulphuric acid. Ethylene on reaction with sulphuric acid gives ethyl hydrogen sulphate. Moist ethylene can be dried by P2O5.

The correct option is B False
Moist ethylene cannot be dried by passing it through concentrated sulphuric acid. Ethylene on reaction with sulphuric acid gives ethyl hydrogen sulphate. Moist ethylene can be dried by $P_{2} O_{5}$ .