Inorganic Chemistry Answers

Complete the following reactions and identify what type of chemical reaction it is.

a. Mg + Se

b. Be + I2

c. Rb + NO3

Show the mechanism of formation of tripeptide

Calculate crystal field stabilization for each d-sysytem given.

CUBIC

d4, d6, d9

1/Calculate the volume of NaOH conc = 0,12 mol/dm3 needed to neutralize 10 cm3 HCl conc 0,20 mol/dm3.

2/ Calculate how much NaOH conc 0,10 mol/dm3 will be used in titration of 12 cm3 H3PO4 conc 0,20 mol/dm3 with use of a) methyl orange b) phenolphtalein.

3/ KMnO4 is stadardised with H2C2O4. For it 28,8cm3 of KMnO3 is used and 0,276g H2C2O4x 2H2O. What is the concentration of KMnO4?

A sample of ammonia (NH₃), a colorless gas with a pungent odor, occupies a volume of 2.00 L at a pressure of 645 mm Hg and a temperature of 25°C. What volume, in liters, will this NH₃ sample occupy at the same temperature if the pressure is increased to 725 mm Hg?

What volume of a 0.20 m k2SO4 solution contains 57g of k2SO4?

Why do the metals occurs in their lower states oxidation in sulphide?

1. Construct a qualitative CFT diagram for the following cases . ( The z axis should correspond to the major axis of rotation)

(a) ML5, (trigonal bipyramidal)

(b) ML5 ( square pyramidal)

(c) [Rh(NH3)5Cl]2+

(d) [Rh(NH3)5CN]2+

1. Construct a qualitative CFT diagram for the following cases . ( The z axis should correspond to the major axis of rotation)

(a) ML5, (trigonal bipyramidal)

(b) ML5 ( square pyramidal)

(c) [Rh(NH3)5Cl]2+

(d) [Rh(NH3)5CN]2+

c) Hydrochloric acid produces salts called chlorides.

Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride.

MgCO3 + 2HCl + MgCl2 + H2O + CO2

A student used 50.00 cm3 of 2.00 mol/dm3 hydrochloric acid in an experiment to produce magnesium chloride.'

Calculate the mass, in g, of magnesium carbonate needed to react exactly with 50.00 cm of 2.00 mol/dm3 hydrochloric acid using the following steps.