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Alcohols as Nucleophiles and Electrophiles

Which one of ...

Question

Which one of the following is used as an anti-freeze for the automobile engines?

A

Propyl alcohol

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B

Ethanol

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C

Methanol

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D

Ethylene glycol

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Solution

The correct option is D Ethylene glycol
Option: (d)

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Similar questions

Q. An alcohol used as antifreeze compound is ethylene glycol.

Q. The compound (s) used as an anti-freeze in radiators of automobiles is/are :

Q. Ethylene glycol is used as an antifreeze agent. Calculate the amount of ethylene glycol to be added to

4 k g

of water to prevent it from freezing at

- 6^{\circ} C . (K_{f}

H_{2} O = 1.85 K m o l e^{- 1} k g)

Q. Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at

- 6^{o} C

(K_{f}

= 1.86 K k g

m o l^{- 1}

, and molar mass of ethylene glycol

= 62 g m o l^{- 1}

)

Q. Ethylene glycol,

C H_{2} O H \cdot C H_{2} O H

, the major component of permanent antifreeze, effectively depresses the freezing point of water in an automobile radiator. What minimum weight of ethylene glycol must be mixed in kg with 6 gallons of water to protect it from freezing at

- 24^{\circ} C . (1 gallon = 3.785 lit, K_{f} = 1.86)

?

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