The increasing order of radius of given pairs have to be arranged and the same has to be explained. Concept introduction: The distance from centre of nucleus to the valence shell electron of an atom or ion is called atomic or ionic radius. Radius of parent atom is always higher than the size of cation. Radius of parent atom is always smaller than the size of anion due to the effective nuclear charge.
The increasing order of radius of given pairs have to be arranged and the same has to be explained. Concept introduction: The distance from centre of nucleus to the valence shell electron of an atom or ion is called atomic or ionic radius. Radius of parent atom is always higher than the size of cation. Radius of parent atom is always smaller than the size of anion due to the effective nuclear charge.
Solution Summary: The author explains that the increasing order of radius of given pairs has to be arranged and explained. Radius of parent atom is always higher than the size of cation due to loss of the valence electron.
(c) The following data have been obtained for the hydrolysis of sucrose, C12H22O11, to
glucose, C6H12O6, and fructose C6H12O6, in acidic solution:
C12H22O11 + H2O → C6H12O6 + C6H12O6
[sucrose]/mol dm³
t/min
0
0.316
14
0.300
39
0.274
60
0.256
80
0.238
110
0.211
(i) Graphically prove the order of the reaction and determine the rate constant of the
reaction.
(ii) Determine the half-life, t½ for the hydrolysis of sucrose.
(III) adsorbent
(b) Adsorption of the hexacyanoferrate (III) ion, [Fe(CN)6] ³, on y-Al2O3 from aqueous
solution was examined. The adsorption was modelled using a modified Langmuir
isotherm, yielding the following values of Kat pH = 6.5:
(ii)
T/K
10-10 K
280
2.505
295
1.819
310
1.364
325
1.050
Determine the enthalpy of adsorption, AadsHⓇ.
If the reported value of entropy of adsorption, Aads Se = 146 J K-1 mol-1 under the above
conditions, determine Aads Gº.
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell