Acetic acid moolecules in non-aqueous solution (or) in vapour state show molecule weight 120 . Give reason (or) Why `CH_3 COOH` exists as dimer.

In vapour state the molecular weight of CH_(3) COOH becomes doubled . It is due to

(A) Acetic acid in vapour state shows a molecular mass of 120. (R) It undergoes intermolecular hydrogen bond & forms a dimer.

(A) Aqueous solution of FeCl_3 is acidic due to cationic hydrolysis (R) Ferric chloride is a covalent compound and exists as a dimer.

Hydrolysis of methyl acetate in aqueous solution has been studied by titrating the liberated acetic acid against sodium hydroxide. The concentration of the ester at different times is given below. Show that it follows a pseudo first order reaction, as the concentration of water remains nearly constant (55 mol L^(-1)), during the course of the reaction. What is the value of k in this equation? Rate =k'[CH_(3) COOCH_(3) ][H_(2)O]

A buffer solution is prepared by mixing CH_(3) COONa and CH_(3) COOH . The pK_(a) of acetic acid is 4.74 . To maintain the pH of the buffer solution as 6.04 , the concentration ratio of CH_(3) COONa and CH_(3) COOH to be maintained is

Why do HCl, HNO_3 , etc. show acidic characters in aqueous solutions while solutions of compounds like alcohol and glucose do not show acidic character ?

Assertion (A): Aqueous solution of ammonium acetate is neutral Reason(R): Dissociation constants of NH_(4),OH(K_(6)) and that of CH_(3),COOH (K_(a)) are nearly equal.