1.

Fill in the blanks. In Hell-Volhard-Zelinsky reaction, the carboxylic acids are halogenated at ______ position by using _______ and ______.

Answer»

`alpha`, NaOH, IODINE
`alpha`, PHOSPHORUS, halogen
`BETA`, phosphorus, `H_(2)O`
`beta, PCl_(5),NaOH`

Answer :B


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