What is the pH of a saturated solution of Cu(OH)_(2) ? (K_(sp)=2.6xx10^(-19)
What is the molarity of a saturated solution of CaCO_(3) ? (K_(sp)=2.8xx10^(-9))
Draw structure of H_3PO_4 .
K_(sp) of Zr_(3)(PO_(4))_(4) in terms of solubility (S) is :
A 1 litre solution containing NH_(4)Cl and NH_(4)OH has hydroxide ion ion concentration of 10^-6) mol//litre. Which of the following hydroxides could be precipitated when the solution is added to 1 litre solution of 0.1 M metal ions? (I) Ba(OH)_(2)(K_(sp)=5xx10^(-3)) , (II) Ni(OH)_(2)(K_(sp)=1.6xx10^(-16)) (III) Mn(OH)_(2) (K_(sp)=2xx10^(-13)) , (IV) Fe(OH)_(2) (K_(sp)=8xx10^(-16))
The solubility of Ba_(3)(AsO_(4))_(2) (formula mass=690) is 6.9xx10^(-2) g//100 mL. What is the K_(sp) ?
What is the basicity of H_3PO_4 ?
The oxidation state of P in (H_3PO_2) is
The conjugate base of H_(2)PO_(4)^(-) is : a) H_(3)PO_(4) b) H_(2)PO_(4)^(-) c) HPO_(4)^(2-) d) PO_(4)^(3-)
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions