Inorganic Chemistry Answers

How many grams of ammonium chloride must be added to 0.050 kg of water to produce a
solution that freezes at -5.00 °C? The cryoscopic constant of water is 1.86 °C kg mol-1 The
molar mass of ammonium chloride is 53.5 g mol-1.

The partition coefficient of a base B (monoacidic) at a particular pH, in an octanol-water mixture
is 1.45. Consider an experiment where 3.5 g of B are shaken with 100 mL of octanol and 50 mL
of water.
Molar mass of B = 101.19 g mol-1
(i) Calculate the mass of B in the aqueous layer after shaking.

The partition coefficient of a base B (monoacidic) at a particular pH, in an octanol-water mixture
is 1.45. Consider an experiment where 3.5 g of B are shaken with 100 mL of octanol and 50 mL
of water.
Molar mass of B = 101.19 g mol-1
(i) Calculate the mass of B in the aqueous layer after shaking.

Show by means of energy orbital diagrams how sodium hexachlorovanadate(II) exists as a magnetic transition metal compound whereas tris(ethylenediammine)nickel(IV) nitrate is unaffected by a magnetic field. (c) 53.8 grams of a complex, diamminebis(oxalato)cobaltate(II), were dissolved in water and its ligand field splitting energy was measured as 55.0 kJ. What is the color of the complex? Ac: Co = 59; N = 14; H = 1; C = 12; 0 = 16

Explain the process of twinning with respect to crystal structures.

Why do so many metals adopt the same structure type, while there is a much larger variety for ionic compounds and even more for molecular crystal structures?

Metal structures commonly adopt one of three common structure types, ccp, hcp and bcc. What are the differences and similarities between these structure types?

Which diffraction method(s) would you use to investigate a positive electrode material for a Li-ion battery?

What alternatives are there to Li-ion batteries and what are their advantages and disadvantages?

What is the reaction equation for the reaction of Sr0.75Ti0.5Nb0.5O3 with n-butyllithium in hexane? Consider oxidation states.