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Assertion:Ethylene glycol is added to wa...

Assertion:Ethylene glycol is added to water and used as antifreeze in the radiators of auto-mobiles.
Reason: Addition of ethylene glycol lowers the freezing point of water.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true and Reason is not the correct explanation of Assertion

C

Assertion is true but Reason is false

D

Both Assertion and Reason are false

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-SOLUTIONS -Objective Exercise -4
  1. Assertion: If two liquids on mixing form a solution with liberation of...

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  2. Assertion:When methanol is added to water boiling point of water decre...

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  3. Assertion:Camphor is used as solvent in the experi mental determinatio...

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  4. Assertion:Addition of salt decreases the freezing point of water. R...

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  5. Assertion:Ethylene glycol is added to water and used as antifreeze in ...

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  6. Assertion:Osmotic pressure of 0.1M glucose is less than 0.1M MgCl2 sol...

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  7. Assertion:Ideal solutions follow Raoult's law. Reason: DeltaH and D...

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  8. Assertion:Van't Hoff factor for electrolytes is always greater than un...

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  9. Assertion:Aqueous solution of urea is ideal. Reason: Ideal solutions...

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  10. Assertion:Ether has higher vapour pressure than water at a given tempe...

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  11. Assertion: When NaCl is added to water a depression in freezing point ...

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  12. Assertion:When CuSO4 is dissolved in water, the solution is warmed up....

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  13. Assertion:The sum of mole fractions of all components of a solution is...

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  14. Assertion: Benzene and toluene form an ideal solution. Reason: Succe...

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  15. Assertion: Elevation in boiling point is inversely proportional to low...

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  16. Assertion:When a solution of non-volatile solute in water is cooled sl...

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  17. Assertion:When dry air is passed continuously through an aqueous solut...

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  18. Assertion: van't Hoff factor of NaCl is expected to be equal to 3 Re...

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  19. Assertion: 0.1M glucose, 0.1M urea solutions cause the same osmotic pr...

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  20. Assertion: The vapour pressure of mixture of ethanol and water is grea...

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