An acid with molecular formula `C_7H_6O_3` froms only three types of sodium salts , i.e. `C_7H_5O_3` Na, `C_7H_4O_3 Na_2 and C_7H_3O_3Na_3`.The basicity of the acid :

an acid with molecular formula C_(7)H_(6)O_(3) forms three types of sodium salt i.e., C_(7)H_(5)O_(3)Na, C_(7)H_(4)O_(3)Na_(2) and C_(7)H_(3)O_(3)Na_(3) . The basicity of the acid:

an acid with molecular formula C_(7)H_(6)O_(3) forms three types of sodium salt i.e., C_(7)H_(5)O_(3)Na, C_(7)H_(4)O_(3)Na_(2) and C_(7)H_(3)O_(3)Na_(3) . The basicity of the acid:

Compound having molecular formula C_(3)H_(6)O_(2) is:-

The C_2H_5-O-C_3H_7 and C_4H_9-O-CH_3 are __________.

Compound 'X' with the molecular formula C_(3)H_(8)O on vigronous oxidationy yields an acid C_(3)H_(6)O_(2) .

(+) and (-) - Lactic acid have the same molecular formula, C_(3)H_(6)O_(3) . They are related as-