Ionic EquilibriumEasy
Question
HCN is weak acid (Ka = 4.0 × 10-4). Which statements is not true for an aqueous solution of hydrocyanic acid ?
Options
A.Its precent dissociation increases as solutions are made more dillute.
B.In a 1 M solution of HCN, the HCN is approximately 2 % dissociated.
C.The ionisation constant Ka varies dramatically over a change of concentration of HCN.
D.None of these
More Ionic Equilibrium Questions
A black sulphide is formed by the action of H2S on:-...Arrange the following resultant mixtures in increasing order of their pH values A. 10 mL 0.2 M Ca(OH)₂ + 25 mL 0.1 M HCl...The solubility product Mg(OH)2 in water at 25oC is 2.56 × 10-13(mol/lt)3 while that of Al(OH)3 is 4.32 × 10-34...The [OH-] in 100.0 ml of 0.016 M-HCl (aq) is :...Morphine (C17H19NO3) is administered medically to relieve pain. It is a naturally occurring base or alkaloid. What is th...