Inorganic Chemistry Answers

Based on equation 1, if carbon dioxide is removed, where would the equilibrium shift?

Eqn 1:

CO2(g) + H2(g) <--> CO(g) + H2O(g) + energy

a. left

b. no change

c. right

Based on equation 1, if carbon monoxide is added, where would the equilibrium shift?

Eqn 1:

CO2(g) + H2(g) <--> CO(g) + H2O(g) + energy

a. left

b. right

c. no change

Looking at equation B, what will happen to the reaction rate if oxygen gas is increased?

EQUATION B:

2 SO2(g) + O2(g) --> 2 SO3(g)

a. stays the same

b. increases

c. decreases

Looking at equation B, what will happen to the reaction rate if pressure is decreased in the reaction vessel?

EQUATION B:

2 SO2(g) + O2(g) --> 2 SO3(g)

a. decreases

b. stays the same

c. increases

Looking at equation A, what happens to reaction rate if a catalyst is added?

Equation A:

2 Na(s) + 2 H2O(l) --> 2 NaOH(aq) + H2(g)

a. increases

b. decreases

c. stays the same

Looking at equation A, what happens to reaction rate if the temperature on the system is increased?

Equation A:

2 Na(s) + 2 H2O(l) --> 2 NaOH(aq) + H2(g)

a. increases

b. decreases

c. stays the same

1. Write the Bragg equation and identify each symbol. X-ray from a palladium source ( λ = 0.576 Å) were reflected by a sample of copper at an angle 9.40°. This reflection corresponds to the unit cell length (d = a) with n = 2 in the Bragg equation. Calculate the length of the copper in cell.

2.Determine all the symmetry operations and elements (Cn, Sn, σ, E, i) for the following compounds:

i) PCl3Br2 molecule – trigonal bipyramid

ii) [PtClF2Br]2- molecule

iii) [RuBr2Cl2H2]2+ an octahedral complex

iv) Benzene derivative

v) [Co(NH3)4Cl2]+ molecule

3.b) Determine the point group of the following:

i) Test tube

. ii) C5H2CI3 molecule (planar)

iii) 5-Chloro-1,3-cyclopentadiene (planar)

iv) Mineral cube complex below

v) A dx2-y2 orbital

Determine the multiplication of symmetry operations and elements below (to commute or do not commute)

a) [MnCl2Br2(H2O)2]2- octahedral molecule

i. C2 (at X axis) x C2 (at Br1-Mn-Cl2) = h (at Br1, Br2, Mn, Cl2, Cl2) x v (at C2 axis)

ii. i (at Mn) x C4 (at X axis) = C1 (at X) x C2 (at Br1-Mn-Cl2)

iii. E (at C2) x C2 (at Br2-Mn-Cl1) = E (Br2-Mn-Cl1) x i (at Mn)

b) Pyramid molecule – [Pd(OH)Br2H2]2-

i. C2 (at Pd-OH) x S4 (at Pd-OH) = σv (at the arrow given) x σh (at

planar of pyramid)

ii. σv (at H-Pd-Br) x σv (at H-Pd-Br) = S2 (at Pd-OH) x C4

(at Pd-OH)

Which parameters determine the value of Δ_o? What is the difference between high spin and low spin complexes?

Which parameters determine the value of Δ_o? What is the difference between high spin and low spin complexes?