Question
The compound that is used as antifreeze in automobile radiators is:
Glycol
Nitrophenol
Ethyl alcohol
Methyl alcohol
Ethylene glycol (often referred to simply as glycol or 1,2-ethanediol) is commonly used as an antifreeze in automobile radiators. When added to water, it acts as a non-volatile solute that lowers the freezing point of the solvent (water). This phenomenon is known as the depression of freezing point (a colligative property). By lowering the freezing point, the mixture prevents the cooling water from freezing at in cold climates. (See NCERT Class 12, Unit 1, Example 1.9 and Exercise 1.8 which specifically discuss antifreeze solutions prepared from ethylene glycol).
This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Alcohols, Phenols and Ethers. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Alcohols, Phenols and Ethers Questions
When phenol is treated with CHCl₃ and NaOH, the product formed is:
Which of the following statement is correct for the stability of ions of ethyl alcohol and phenol:
When glycerol is treated with an excess of HI, it produces:
Which of the following can be used as the halide component for Friedel-Crafts reaction?
Which of the following is not the product of dehydration of the given alcohol?
The most reactive compound among the following toward electrophilic aromatic substitution reaction is:
Which one of the following compounds will be most readily dehydrated?
Among the following four compounds: (a) Phenol (b) Methyl phenol (c) meta-nitrophenol (d) para-nitrophenol The acidity order is:
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