An ester can be prepared by the reaction of:
two alcohols
an alcohol and an aldehyde
an alcohol and an organic acid
an organic acid and an aldehyde
an acid and a ketone

an acid and a ketone

two alcohols

an alcohol and an aldehyde

an alcohol and an organic acid

an organic acid and an aldehyde

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Solution

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Esters (RCOOR') are prepared by the reaction between alcohol (R'OH) and organic acid (RCOOH).

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An ester can be prepared by the reaction of:two alcoholsan alcohol and an aldehydean alcohol and an organic acidan organic acid and an aldehydean acid and a ketone

Esters (RCOOR') are prepared by the reaction between alcohol (R'OH) and organic acid (RCOOH).

An ester can be prepared by the reaction of:
two alcohols
an alcohol and an aldehyde
an alcohol and an organic acid
an organic acid and an aldehyde
an acid and a ketone