Q)
(chatquestion)...Its approximate Kb.
(A) 10-5
(B) 10-4
(C) 4.5 x 10-3
(D) 4.6
Determine the number of moles of AgI which may be dissolved in 1L, of 1 M CN solution. K sp for Agl and K
[Ag(CN)2] are 1.2 x 10-7M2 and 7,1 x 1019 M-2 respectively.
(A) 5.05
(B) 0.49
(С) 2.5
(D) 1.3
CaCO3 is heated in a closed vessel to establish the equilibrium, CaCO3(s) = CaO(s)+ CO2(g). The equilibrium
allowed to shift in forward direction
(A) By adding some CaC03 to the vessel.
(B)
By removing some CaO from the vessel.
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