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Identify the wrong statement : Benzene...

Identify the wrong statement : Benzene is reduced by `"Na // liq NH_3` in the presence of ethanol to cyclohexa - 1, 3 - diene, When heated with oxygen in presence of `V_2 O_5` benzene is oxidised to maleic anhydride, Toluene on ozonolysis gives a mixture of glyoxal and methyl glyoxal, Ethyl benzene on oxidation with hot `KMnO_4//OH^(-)` followed by acidification gives benzoic acid

A

Benzene is reduced by `"Na // liq NH_3` in the presence of ethanol to cyclohexa - 1, 3 - diene

B

When heated with oxygen in presence of `V_2 O_5` benzene is oxidised to maleic anhydride

C

Toluene on ozonolysis gives a mixture of glyoxal and methyl glyoxal

D

Ethyl benzene on oxidation with hot `KMnO_4//OH^(-)` followed by acidification gives benzoic acid

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Statement 1 :Chlorination of ethyl benzene with Cl_2 in presence of heat and light mainly yields 1-chloro-2- phenylethane. Statement 2 : The reaction occurs through intermediate formation of the radical, C_6H_5CHCH_3

Carboxylic acid, although unreactive to alcohols, reacts in the presence of small amount of conc. H_(2)SO_(4) or with 2-3% of HCl? RCOOH+R'OH overset(H^(o+))hArr RCOOR'+H_(2)O Which of the following is correct about the above reaction? I. This reaction is called Fischer esterification reaction. II. The equilibrium is shifted to R.H.S. if H_(2)O is removed by azeotropic distillation with benzene. III. The reaction of RCOCl and R'OH to give ester(RCOOR') is irreversible and more feasible than esterification of RCOOH IV. If the above esterification of RCOOH is carried out in excess of R'OH, the equilibrium is shifted to R.H.S.

BRILLIANT PUBLICATION-HYDROCARBON-LEVEL II
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