Descriptive inorganic chemistry questions.

Find Descriptive inorganic chemistry university examination questions in acaproso.com

#	Question
1	Distinguish between the following terms as used in inorganic chemistry; Change of the ion and charge density of the ion Electronegativity and electron affinity Short answers
2	Raw wood ash(solid) has the Sodium and Potassium (in equal amount) among other elements in their oxide form as important constituents. Upon shaking with distilled water, which element (K or Na) do you expect to be in higher concentration in the resulting supernatant solution? Short answers
3	Explain the following scenarios in inorganic chemistry; The first ionization energy of Na is less than that of Mg. Diamond is hard while graphite is soft. Electron affinity of F is less than that of Cl even though the trend would predict otherwise. Sodium metal is soft while sodium chloride is hard. D block elements are good catalysts while S block elements are not. Short answers
4	The atom or molecule with both paired and unpaired spins is both diamagnetic and paramagnetic in the magnetic field. True OR False
5	Van der Waals forces are found in all compounds and are weakest of all bonding forces. True OR False
6	The bond order (B.O) value can be used to estimate the bond strength. True OR False
7	The effective nuclear charge is at times greater than nuclear charge. True OR False
8	The stability of helium gas shall follow the trend $He_2<He_2^{+}$ . True OR False

1. Information We Collect