Chemical Reactions

Question 1

Salts containing which ions are soluble in water?

Answer 1

Na+, K+, NH4+, NO3-

Question 2

Reaction between and element and an ionic compound, electrons are transferred

Answer 2

Single Replacement Redox Reaction

Question 3

Oxidation number for an atom in its elemental form

Answer 3

0

Question 4

Oxidation number for a monoatomic ion

Answer 4

Equal to its charge

Question 5

Oxidation number for oxygen in a molecular compound

Answer 5

-2

Question 6

Oxidation number for oxygen in a peroxide

Answer 6

-1

Question 7

Oxidation number for hydrogen when it is bonded to a nonmetal

Answer 7

+1

Question 8

Oxidation number for hydrogen when it is bonded to a metal

Answer 8

-1

Question 9

How do you determine the oxidation number for other covalent compounds that do not contain Hydrogen or Oxygen?

Answer 9

The most electronegative element has an oxidation number equal to its charge

Question 10

Metal/metal, oxygen a transferred based on activity series

Answer 10

Single displacement

Question 11

To find the net ionic equation of a single displacement reactions you have to add the _______ reactions

Answer 11

Half

Question 12

Halogens that are bonded to themselves can __________ any halide ions that is below it in the family

Answer 12

Oxidize

Question 13

What is the universal half reaction in hydrogen displacement redox reactions?

Answer 13

2H2O + 2e- ———> H2 + 2OH-

Question 14

What are the products of burning organic hydrocarbons in oxygen?

Answer 14

CO2 + H2O

Question 15

The combustion of any element in the presence of oxygen produces its ________

Answer 15

Oxide

Question 16

Occurs between metal/metal compounds and metal/polyatomic ion compounds

Answer 16

Double replacement

Question 17

What is the equation for reactions between metals and strong acids

Answer 17

aH+ + X ————> H2 + X^a+