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

Question

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

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Solution

To convert from Celsius to Kelvin, you add 273.15 to the Celsius temperature.

For diethyl ether with a boiling point of 35°C: 35°C + 273.15 = 308.15K (rounded to 308K)

For acetone with a boiling point of 56°C: 56°C + 273.15 = 329.15K (rounded to 329K)

For n-butyl alcohol with a boiling point of 118°C: 118°C + 273.15 = 391.15K (rounded to 391K)

So, the correct answer is (c)308K, 329K, 391K.

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