Please explain with proper solution 57 For preparing a buffer solution of pH - Chemistry -

Question

Please explain with proper solution

57 For preparing a buffer solution of pH = 7 0, which buffer system
you will choose?

( 1 )   H 3 PO 4 ,   H 2 PO 4 –

( 2 )   H 2 PO 4 – ,   HPO 4 2 –

( 3 )   HPO 4 2 – ,   PO 4 3 –

( 4 )   H 3 PO 4 ,   PO 4 3 –

Yakshu Bhutani · Accepted Answer

Please explain with proper solution 57. For preparing a buffer solution of pH = 7.0, which buffer system you will choose? ( 1 ) H 3 PO 4 , H 2 PO 4 – ( 2 ) H 2 PO 4 – , HPO 4 2 – ( 3 ) HPO 4 2 – , PO 4 3 – ( 4 ) H 3 PO 4 , PO 4 3 –