Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OCR A LEVEL CHEMISTRY PAPER 2 > 2.1.4 Acids > Flashcards

2.1.4 Acids Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

When an acid is added to water, what ion is released into the solution?

A

Hydrogen ion

H+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define acid

A

Proton donor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe the dissociation of a strong acid

A

Full dissociation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Define base

A

Proton acceptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which base is used to treat acid indigestion?

A

Magnesium hydroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are alkalis?

A

Bases that can dissolve in water to form aqueous hydroxide ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are amphoteric substances?

A

Substances that can act as acids and bases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is formed when acid reacts with carbonate?

A

Salt
Carbon dioxide
Water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a salt?

A

A compound that is formed when H+ of an ion is replaced by a metal ion or positive ion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is formed when acids react with metal oxide?

A

Salt and water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is formed when acid reacts with alkali?

A

Salt and water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is formed when acids react with metal?

A

Salt and hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why are the products same when acid reacts with alkali or metal oxides?

A

Both alkali and metal oxides are types of bases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How are ammonium salts formed?

A

When acid reacts with aqueous ammonia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are hydrated crystals?

A

A crystalline structure containing water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does anhydrous crystals mean?

A

Crystalline form that contains no water

17
Q

What does a dot formula indicate?

A

The amount of water present in a crystalline structure

18
Q

Write down the methods to carry out a titration

A
  1. Using a pipette, measure the volume of a solution
  2. Add the solution into a conical flask and add an indicator to it
  3. Add the other solution into a burette and recor the volume
  4. Slowly add the solution into the burette into the conical flask
  5. Swirl the mixture continuously until the end point is reached
  6. Repeat until concordant results
19
Q

What is the colour of methyl orange in an acid, base and at end point?

A

Acid - red
Base - yellow
End point - orange

OCR A LEVEL CHEMISTRY PAPER 2 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions