The oxidation number of chromium in CrO 3 is to be determined. Concept introduction: Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species. The oxidation number is defined as the formal charge an atom would gain if all the bonds attached to it in a compound are heterolytically cleaved. Oxidation number can be a positive or negative number but cannot be fractional.
The oxidation number of chromium in CrO 3 is to be determined. Concept introduction: Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species. The oxidation number is defined as the formal charge an atom would gain if all the bonds attached to it in a compound are heterolytically cleaved. Oxidation number can be a positive or negative number but cannot be fractional.
The oxidation number of chromium in CrO3 is to be determined.
Concept introduction:
Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species.
The oxidation number is defined as the formal charge an atom would gain if all the bonds attached to it in a compound are heterolytically cleaved. Oxidation number can be a positive or negative number but cannot be fractional.
(b)
Interpretation Introduction
Interpretation:
The oxidation number of chromium in Cr2O72− is to be determined.
Concept introduction:
Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species.
The oxidation number is defined as the formal charge an atom would gain if all the bonds attached to it in a compound are heterolytically cleaved. Oxidation number can be a positive or negative number but cannot be fractional.
(c)
Interpretation Introduction
Interpretation:
The oxidation number of chromium in Cr2(SO4)3 is to be determined.
Concept introduction:
Oxidation of a species involves the loss of electrons by that species and reduction of a species involves the gain of electrons by that species.
The oxidation number is defined as the formal charge an atom would gain if all the bonds attached to it in a compound are heterolytically cleaved. Oxidation number can be a positive or negative number but cannot be fractional.
Draw the product of the reaction
shown below. Ignore inorganic
byproducts.
H
conc. HBr
Drawing
Q
Calculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.
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