The pH of 1.0 aqueous solution of `NaCL,CH_(3)COONa" and "NH_(4)Cl` will follow the order :

Options

A. `NaCl lt CH_(3)COONa lt NH_(4)Cl`
B. `NH_(4)Cl lt NaCl lt CH_(3)COONa`
C. `NH_(4)Cl gt CH_(3)COONa gt NaCl`
D. `NaCl gt NH_(4)Cl gt CH_(3)COONa `

Answer

B

Explanation

Order of pH
` {:("Less than 7 ",," pH=7 ",,"More than 7"),(NH_(4)Cl,lt,NaCl,lt,CH_(3)COONa),("Salt of strong acid",,"salt of strong acid",,"salt of strong base "),(+ "weak base",,+ "strong base",,+ "weak acid"):}`