Which element is reduced in the reaction below? Fe(CO)5 (l) + 2HI (g) Fe(CO)4I2 (s) + CO (g) + H2 (g)
A) Fe
B) C
C) O
D) H
E) I
Question 2
Lattice energy is ________.
A) the energy required to convert a mole of ionic solid into its constituent ions in the gas phase
B) the energy given off when gaseous ions combine to form one mole of an ionic solid
C) the energy required to produce one mole of an ionic compound from its constituent elements in their standard states
D) the sum of ionization energies of the components in an ionic solid
E) the sum of electron affinities of the components in an ionic solid