Inorganic Chemistry Answers

Write the kc & kp equation of the followings: I. 2NO2→N2O4 II. H2 + I2 → 2HI III. N2 + 3H2 → 2NH3 Explain it.

For each of the following pairs, which element will have the greater metallic character:

a. Li or Be

b. Li or Na

c. Sn or P

d. Al or B

Arrange the following pure solid elements in order of increasing electrical conductivity: P, Ag and Sb. Explain the reasoning you used. 

1.    How do the sizes of atoms change as we move?

a. From left to right in a row in the periodic table?

b. From top to bottom in a group in the periodic table?

c. Arrange the following atoms in order of increasing atomic radius: F, P, S, As

d. Arrange the following atoms in order of increasing atomic radius: Al, Nb, Se, F, Mn 

1.    Arrange each set of elements in order of increasing magnitude of electron affinity.

a. Pb, Bi, and Te

b. Na, K, and Rb

c. P, C, and Ge 

Arrange Ga, In, and Zn in order of increasing first ionization energies. Explain your reasoning. 

Balance the following equation, and tell how may moles of nickel will react with 9.81 mol of hydrochloric acid.

Ni(s) + HCI(aq) = NiCI2(aq) + H2(g)

After placing a strip of iron in tin (II) chloride solution,

there is the formation of crystals. What is the chemical equation?

1. Observations: All metals that are above hydrogen in the activity series

will produce bubbles indicating the presence of hydrogen gas.

Chemical Equations:

2. Observations: After placing a strip of iron in tin (II) chloride solution,

there is the formation of crystals. What is this called? Tin crystals

Chemical Equations:

Estimation of copper in the supplied solution using standardized sodium thiosulphate solution. Discussion about this.