What is the pH of a solution obtained by dissolving 0.0005 mole of the strong electrolyte, calcium hydroxide, Ca(OH)_(2) , to form 100 ml of a saturated solution (aqueous)? (K_(w)=1.0xx10^(-14) "mole"^(2) "litre"^(-2))
The specific conductance of a saturated solution of a salt MX is 2.8 xx 10^(-7) Omega^(-1) cm^(-1) and the equivalent conductances at infinite dilution of M^(+1) and X^(-1) ions are 68 and 72 Omega^(-1) cm2 / equivalent respectively Hence, the K_(sp) of MX is found to be
What is the molar solubility of Fe(OH)_2 (K_(sp) =8.0 xx 10^(-16) ) at pH 13.0 ?
The conductivity of saturated solution of AgCl is found to be 1.86 xx 10^(-6) ohm^(-1)cm^(-1) and that of water is 6xx 10^(-8) ohm^(-1)cm^(-1) . If lamda^0 AgCl is
Calculate the concentration of silver ion, if water is saturated with AgCNS (K_(sp) =1 xx 10^(-12)) and AgBr (K_(sp) = 5 xx 10^(-13) ).
A saturated solution of Ca_3 (PO_4) _2 has [Ca^(+2) ]=2xx 10 ^(-8) M and [PO_4^(-3) ] =1.6 xx 10 ^(-5) M , K_(sp) " of " Ca_3(PO_4) _2 is
Calculate the pH of 0.01 M solution of CH_(3)COOH.K_(a) for CH_(3)COOH at 298K is 1.8xx10^(-5)
Calculate the potential of a half cell having reaction : Ag_2 S (s) + 2e^- iff 2Ag (S) + S^(2-) (aq) in a solution buffered at p^(H) =3 and which is also saturated with 0.1 MH_2S (aq) [Given : K_(sp)(Ag_2 S ) = 2 xx 10^(-49) , K_(a1). K_(a2) = 1.1 xx 10^(-21) , E_(As^(+) // Ag)^(@) = 0.8V ]
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
