Redox Reactions

Question 1

Like in a marriage, where money gets shared, covalent compounds share ___

Accepted Answer

electrons

Question 2

Oxygen, which is unsurprisingly all over redox chemistry, almost always has an oxidation of ___

Accepted Answer

-2

Question 3

Redox equations can be complicated to balance, so we often have to balance them in ___

Accepted Answer

half reactions

Question 4

When you study redox reactions it's absolutely essential to keep track of ___

Accepted Answer

the electrons

Question 5

Who figured out that smelted ores became lighter because oxygen gas was leaving the compound?

Accepted Answer

Antoine Lavoisier

Question 6

For a polyatomic ion, the sum of the oxidation states ___

Accepted Answer

must match its charge

Question 7

Fluorine, and the other halogens most of the time, have an oxidation number of ___

Accepted Answer

-1

Question 8

Hydrogen, in a compound, has an oxidation number of ___

Accepted Answer

+1

Question 9

The oxidation number of sulfur in S8, the most common allotrope, is ___

Accepted Answer

0

Question 10

The oxidation number of hydrogen, in the diatomic molecule H2, is ___

Accepted Answer

0

Question 11

Protochemists would make pure metals by heating or smelting ___

Accepted Answer

their ores

Question 12

An atom's oxidation number is basically what its charge would be, if it actually ___

Accepted Answer

owned all its electrons exclusively

Question 13

Oxidation states of most elements change depending on ___

Accepted Answer

what they're bonded with

Question 14

Reduction is when a substance ___

Accepted Answer

gains electrons

Question 15

Redox is a portmanteau of the words ___

Accepted Answer

reduction oxidation

Question 16

For a monatomic ion, basically a charged atom, the oxidation number is ___

Accepted Answer

the size or number of its charge

Question 17

The total of all the oxidation numbers of all the atoms in a neutral compound will add up to __

Accepted Answer

0

Question 18

The battery powering your laptop is undergoing what type of reaction?

Accepted Answer

redox

Question 19

The electron is to chemistry what money is to ___

Accepted Answer

capitalism

Question 20

The "OIL" in "OILRIG" stands for: ___

Accepted Answer

oxidation is loss of electrons

Question 21

Which type of reaction is more about swapping protons than electrons?

Accepted Answer

acid-base reactions

Question 22

The "RIG" in "OILRIG" stands for: ___

Accepted Answer

reduction is gain of electrons

Question 23

Which reaction has arguably saved more lives than any other in the history of chemistry?

Accepted Answer

the Haber process

Redox Reactions

Questions 23

Redox Reactions

Questions 23