" Determine "pK_(a)(H_(2)O)+pK_(a)(H_(3)O^(+))

Select the correct statements : (P) pH of NaHCO_(3) solution can be given by (pK_(H_(2)SO_(4))+pK_(HCO_(3)^(-)))/(2) (Q) Al^(3+) ion is amphoteric (R) K_(sp) values of metal nitrate are very-very high (S) Na^(+) (aq) is conjugate acid of NaOH (aq).

pK_(a1) , pK_(a_(2)) and pK_(a_(3)) of H_(3)PO_(4) are respectively x,y and z. pH of 0.1 M Na_(2)HPO_(4) solution is

A buffer solution of 0.080M Na_(2)HPO_(4) and 0.020 M Na_(3)PO_(4) is prepared. The electrolytic oxidation of 1.0 mmol RNHOH is carried out in 100mL buffer to give RNHOH + H_(2)O rarr RNO_(2) + 4H^(o+) + 4e^(-) Calculate approximate pH of the solution after oxidation is complete pK_(a_(2)), pK_(a_(2)) , and pK_(a_(3)) of H_(3)PO_(4) are 2.12,7.20 , and 12.0 , respectively.

H_(3)PO_(4) is a tribasic acid with pK_(a_(1)), pK_(a_(2)) and pK_(a_(3)) 1.12, 7.21 , and 12.32 , respectively. 10^(-3)M 'H_(3)PO_(4)'(pH = 7) . Ksp of Zinc phosphate= 9.1 xx 10^(-33) . [Zn^(2+)] ion in the soil is

The pH of blood is 7.4 . What is the ratio of [(HPO_(4)^(2-))/(H_(2)PO_(4)^(-))] in the blood. pK_(a)(H_(2)PO_(4)^(-))=7.1

The pH of blood is 7.4 . What is the ratio of [(HPO_(4)^(2-))/(H_(2)PO_(4)^(-))] in the blood. pK_(a)(H_(2)PO_(4)^(-))=7.1

Point out the correct decreasing order of pK_(b) values of following amines C_(2)H_(5)NH_(2),C_(6)H_(5)NHCH_(3),(C_(2)H_(5))_(2)NHandC_(6)H_(5)NH_(2)

Calculate the pH of 0.05 M KHC_(8)H_(4)O_(4) H_(2)C_(8)H_(4)O_(4) + H_(2)O hArr H_(3)O^(o+) + HC_(8)H_(4)O_(4)^(o+) pK_(a_(1)) = 2.94 HC_(8)H_(4)O_(4)^(Theta) + H_(2)O hArr H_(3)O^(o+) + C_(8)H_(4)O_(4)^(2-) pK_(a_(2)) = 5.44

Calculate the pH of 0.05 M KHC_(8)H_(4)O_(4) H_(2)C_(8)H_(4)O_(4) + H_(2)O hArr H_(3)O^(o+) + HC_(8)H_(4)O_(4)^(o+) pK_(a_(1)) = 2.94 HC_(8)H_(4)O_(4)^(Theta) + H_(2)O hArr H_(3)O^(o+) + C_(8)H_(4)O_(4)^(2-) pK_(a_(2)) = 5.44