Q1: Redox Reaction

Question 1

Oxidation-reduction reactions occurs because of the competitions between particles for _______.

Answer 1

Electrons

Question 2

An oxidizing agent will always ___________.

Answer 2

Reduced

Question 3

A reducing agent will always be ____________.

Answer 3

Oxidized

Question 4

Ascorbic acid (C6H8O6) is a common antioxidant that protects our bodies against radicals. In the redox equation below that occurs in our stomach, which of the following pairs identifies the reducing and oxidizing agents, respectively?

Answer 4

A. C6H8O6 and NO2-

Question 5

describe all chemical reactions in which there is a net change in atomic charge.

Answer 5

Redox (Oxidation-Reduction) reactions

Question 6

play a key role in the flow of energy through biological systems.

Answer 6

Redox Reactions

Question 7

Oxidation and reduction always take place together, because every electron that is ______ by one atom through oxidation is _______ by another atom through reduction.

Answer 7

Lost, Gained

Question 8

Loss of Electrons

Answer 8

Oxidation

Question 9

_________ is the most common electron acceptor in biological systems

Answer 9

Oxygen

Question 10

Is the gain of electrons

Answer 10

Reduction

Question 11

is the species doing the oxidizing, substance that gains electrons (reduced)

Answer 11

Oxidizing Agents

Question 12

is the species doing the reducing and losses electrons (Oxidized)

Answer 12

Reducing Agents

Question 13

is defined as the charge the atom would have if electrons were not shared but were transferred completely

Answer 13

Oxidation Number

Question 14

is defined as the charge the atom would have if electrons were not shared but were transferred completely

Answer 14

Oxidation Number

Question 15

The oxidation number assigned to Oxygen in a compound.

Answer 15

-2

Question 16

The oxidation number of a lone atom of an element depends on its ______.

Answer 16

Charge

Question 17

Charge of Carbon in C6H12O6

Answer 17

0
x = 12-12
x = 0