Question : Which of the following pair of compound - melting point is correct?
l. Acetic acid - 290 K
II. Ethanol - 156 K
Option 1: Only 1
Option 2: Both I and II
Option 3: Neither I nor II
Option 4: Only II
Correct Answer: Both I and II
Solution : The correct option is Both I and II.
The melting point of acetic acid, sometimes referred to as ethanoic acid, is roughly 290 K, or 16.85°C. It is a carboxylic acid that is usually found at room temperature and pressure in a liquid state. It solidifies at 290 K when cooled. At roughly 156 K, ethanol—also referred to as ethyl alcohol or just alcohol—has a comparatively low melting point. That is the same as -117.3°C. One kind of alcohol is ethanol, which will solidify at this temperature after first being liquid.
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