The hydrolysis of ethyl acetate in an acidic medium is a:

zero order reaction

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first order reaction

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pseudo first order reaction

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second order reaction

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Solution

The correct option is B first order reaction
$1.$ Decomposition of $H_{2} O_{2}$ in aqueous solution.
$H_{2} O_{2} \to H_{2} O + 1 / 2 O_{2}$
$2.$ Hydrolysis of methyl acetate in the presence of mineral acids.
$C H_{3} C O O C H_{3} + H_{2} O \to C H_{3} C O O H + C H_{3} O H$
$3.$ Inversion of cane sugar in the presence of mineral acids.
$C_{12} H_{22} O_{11} + H_{2} O [H^{+}] - -- \to C_{6} H_{12} O_{6} + C_{6} H_{12} O_{6}$
$4.$ Decomposition of ammonium nitrate in aqueous solution.
$N H_{4} N O_{2} \to N_{2} + 2 H_{2} O$
$5.$ Hydrolysis of diazo derivatives.
$C_{5} H_{5} N + N C l + H_{2} O \to C_{6} H_{5} O H + N_{2} + H C l$
FIRST ORDER REACTION : When the rate of reaction depends only on one concentration term of reactant. A first order reaction is one whose rate varies as first power of the concentration of the reactant, i.e. the rate increases as number of times as the concentration of reactant is increased.
Examples are given above:

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