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  • The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale? (a) 306 K, 329 K, 391 K (b) 308 K, 329 K, 392 K

The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale?

(a) 306 K, 329 K, 391 K
(b) 308 K, 329 K, 392 K
(c) 308 K, 329 K, 391 K
(d) 329 K, 392 K, 308 K

Answers (1)

Ans. C

Sol.

Celsius scale of temperature is based on water and its state. The melting point is taken as zero reference and boiling point of water is taken as 100.

Kelvin scale of temperature is known as absolute temperature scale.

These two scales can be easily related by a linear relation.

If temperature in Celsius scale is X then the same temperature in Kelvin scale will be X +273.

The boiling points of diethyl ether, acetone and n-butyl alcohol are given as 35°C, 56°C and 118°C respectively

On conversion, their temperatures will be 308K, 329K and 391K.

Hence the correct answer will be option A

Posted by

Gurleen Kaur

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