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प्रश्न
Which of the following have less melting point than amine?
विकल्प
Alcohol
Phosphine
Carboxylic acid
Ether
MCQ
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उत्तर
Phosphine
Explanation:
The properties of primary and secondary amines are greatly influenced by hydrogen bonding. The melting and boiling points of amine are higher than those of phosphine but generally lower than those of alcohol and carboxylic acids, ether.
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