Acids and redox

Question 1

What is an acid

Answer 1

a proton donor ( contain H+)

Question 2

What is a strong acid

Answer 2

An acid that completely dissociates in an aqueous solution

eg: HCL ⇌ H+ + Cl-

Question 3

what is a weak acid

Answer 3

AN acid that does not fully dissociate in an aqueous solution

eg: CH3COOH ⇌ H+(AQ) + CH3COO-

Question 4

what is a base

Answer 4

neutralises an acid to form a salt. (nh3)

Question 5

what is an alkali

Answer 5

A water soluble base that realeases OH- into solution

Question 6

What is the ionic equation for any neutralisation reaction

Answer 6

H+ + OH- ➝ H2O

Question 7

Salt name that is prepared using HCL

Answer 7

Chloride

Question 8

Salt name that is prepared using h2so4

Answer 8

sulfate

Question 9

Salt name that is prepared using HNO3

Answer 9

nitrate

Question 10

Salt name that is prepared using ehtanoic acid

Answer 10

ethanoate

Question 11

What equipment is used in a titration

Answer 11

Beurette
pipette
spotting tile
single change indicatiort such as methyl orange

Question 12

What is an oxidation number

Answer 12

A number that is based upon the number of e- involved in bonding

Question 13

oxidation number rules

Answer 13

O2 ➝ -2
H ➝ +1
F ➝ -1
Ion ➝ charge of ion
H in hydride ➝ -1
O in peroxide ➝ -1
O bonded to F ➝ +2

Question 14

rule of oxidation numbers

Answer 14

sum of ask of the oxidation numbers = charge of molecule

Question 15

What is a redox reaction

Answer 15

a reaction involving oxidation and reduction

Question 16

what is oxidation

Answer 16

the loss of e-
the gain of 02
gain of oxidation number

Question 17

what is reduction

Answer 17

The gain of e-
loss of 02
loss of oxidation number