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How is formic acid prepared ?...

How is formic acid prepared ? 

Text Solution

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a) Formic acid is prepared by the oxidation of methyl alcohol.
`CH_(3) OH overset(K_(2) Cr_(2) O_(7)) underset(H_(2) SO_(4))(to) H CHO overset(K_(2) Cr_(2) O_(7)) underset(H_(2) SO_(4)) (to) HCOOH`
b) It is also prepared by heating a mixture of carbon monoxide and sodium hydroxide at `210^(@)`C under pressure.
`CO + NaOH to HCOONa overset(HCl) (to) HCOOH`
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