1.

Sodium reacts with alcohol as given below 2R-OH + 2Na to 2R - O Na + H_2Place the type of alcohol into decreasing order of reactivity towards sodium.

Answer»

`3^@gt 2^@ gt 1^@`
`1^@gt 3^@ gt 2^@`
`2^@gt 3^@ gt 1^@`
`1^@gt 2^@ gt 3^@`

Solution :Reactivity of ALCOHOL toward sodium depends upon the ACIDIC NATURE of the alcohol. More the acidic nature of alcohol, the faster is the reaction between alcohol and sodium.The electron RELEASING alkyl groups decrease the acidic nature of alcohol. DECREASING order of acidity of alcohol is `CH_3OH gt 1^@ gt 2^@ gt 3^@` . The same is the order of reactivity towards sodium metal.


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