One equivalent of an acid reacts completely with one equivalent of a base in dilute solution.
a) Which type reaction is this?
b) HCI+NaOH`rightarrow`NaCI+`H_2O`
On the basis of above equation, explain enthalpy of neutralisation.

C_(12)H_(22)O_(11)+120_2rightarrow12CO_2+11H_2O Consider this equation and answer the following questions. a) Thermodnamically, which type reaction is this? b) What is enthalpy of combustion? c) Give another example.

Paragraph An organic compound A(C_(9)H_(6)O_(3)) does not react with aqueous solution of NaHCO_(3) as well as does not change the colour of litmus paper. Aon acid hydrolysis gives B(C_(9) H_(8)O_(4)) as major product whereas A on treatment with one equivalent of methanol in acidic medium gives C(C_(10)H_(10)O_(4)) as the major product (other minor isomer of C is also formed). B on heating with sodalime gives toluene. Answer the following questions based on the above information. The structure of A satisfying above conditions is

Paragraph An organic compound A(C_(9)H_(6)O_(3)) does not react with aqueous solution of NaHCO_(3) as well as does not change the colour of litmus paper. Aon acid hydrolysis gives B(C_(9) H_(8)O_(4)) as major product whereas A on treatment with one equivalent of methanol in acidic medium gives C(C_(10)H_(10)O_(4)) as the major product (other minor isomer of C is also formed). B on heating with sodalime gives toluene. Answer the following questions based on the above information. The most likely structure of B is

Paragraph An organic compound A(C_(9)H_(6)O_(3)) does not react with aqueous solution of NaHCO_(3) as well as does not change the colour of litmus paper. Aon acid hydrolysis gives B(C_(9) H_(8)O_(4)) as major product whereas A on treatment with one equivalent of methanol in acidic medium gives C(C_(10)H_(10)O_(4)) as the major product (other minor isomer of C is also formed). B on heating with sodalime gives toluene. Answer the following questions based on the above information. The structure of product C is