Addition of `O_(2)` on ethylene in presence of Ag at `200^(0)C` forms

Addition of HCN to ethyne in presence of Ba(CN)_(2) as catalyst gives-

An organic compound A on heating with concentrated H_(2)SO_(4) forms a compound B which on addition of one mole of hydrogen in presence of Ni forms a compounds C. One mole od compound C on combustion form two moles of CO_(2) and three moles of H_(2)O . Identify the compounds A,B and C write the chemical equation of the reactions involved.

Dehydration of ethylene glycol in presence of concentration H_2SO_4 will give

Ethene on oxidation with O_2 is presence of Ag give(s)

Ethylene and H_2O_2 react to give

From the list of the organic compounds ethanol, ethane, methanol, methane, ethyne and ethane, name a compound Which forms methanol on oxidation in the presence of copper at 200^@C .

Match the compounds (A) ethanol, (B) methane, (C) ethanoic acid, (D) ethyne and (E) ethene with the descriptions given below: It forms methanol on oxidation in the presence of copper at 200^@C .

The reaction of compounf P with CH_(3)MgBr (excess) in (C_(2)H_(5)_(2)O followed by addition of H_(2)O give Q the compound Q on treatment with H_(2)SO_(4) at 0^(@) C gives R. the reaaction of R with CH_(3) COCl in the presence of anhydrous AlCl_(3) in CH_(2)Cl_(2) followed by treatment with H_(2)O "produces compound S . [Et in compound P is ethyl group] The reaction, Q to R and R TO S, are

The reaction of compounf P with CH_(3)MgBr (excess) in (C_(2)H_(5)_(2)O followed by addition of H_(2)O give Q the compound Q on treatment with H_(2)SO_(4) at 0^(@) C gives R. the reaction of R with CH_(3) COCl in the presence of anhydrous AlCl_(3)"in" CH_(2)Cl_(2) followed by treatment with H_(2)O produces compound S. [Et in compound P is ethyl group] The product S is