Brainscape's Knowledge GenomeTM

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


See full index

y1 chemistry > Oxides > Flashcards

Oxides Flashcards

1
Q

What is an amphoteric oxide?

A

An oxide that reacts with both acids and bases to produce a salt and water.

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

Carbon monoxide (CO) is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

Neutral

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

Carbon dioxide (CO2) is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

Acidic (forms carbonic acid, H2CO3 in water)

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

Sulfur dioxide (SO2) is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

Acidic (forms sulfurous acid, H2SO3 in water)

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

Sulfur trioxide (SO3) is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

Acidic (forms sulfuric acid in water)

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

Aluminium oxide is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

amphoteric

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

Zinc oxide is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

amphoteric

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

Lead (II) oxide is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

amphoteric

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

Dinitrogen oxide (nitrous oxide, N2O) is a ________ (acidic/basic/neutral/amphoteric) oxide.

A

neutral

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

Generally, neutral oxides contain how many oxygen atoms?

A

1

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

Generally, acidic oxides contain how many oxygen atoms?

A

More than one

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

*this question might be out of syllabus
Silicon dioxide is an ______oxide with a ______ melting point.

A

Acidic oxide, as it is a non-metal oxide. It has a high melting point as it forms a giant molecular structure.

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

How do you test for ammonia gas?

A

Ammonia gas is recognised by a characteristic pungent smell. When moist red litmus paper is added, it turns blue.

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

What is produced when an alkali is heated with an ammonium salt?

A

A salt, water and ammonia gas

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

What is produced when an alkali reacts with a metal salt?

A

A different metal hydroxide and a different metal salt?
e.g. 2 NaOH + FeSO4 -> Fe(OH)2 + Na2SO4

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

*What is produced when aqueous ammonia, which is an alkali, reacts with an acid?

A

Only an ammonium salt is produced.
e.g. NH3 (aq) + HCl (aq) -> NH4Cl (aq)

17
Q

*Write the equation for the ionisation of aqueous ammonia in water

A

NH3 (aq) + H2O (l) <-> (reversible) NH4+ (aq) + OH- (aq)

y1 chemistry (12 decks)

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