Brainscape's Knowledge GenomeTM

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


See full index

Chemistry > Halogens > Flashcards

Halogens Flashcards

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

What are the four halogens?

A

Fluorine, Chlorine, Bromine, Iodine,

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

What are the characteristics of Halogens?

A

electronegative, very reactive, low melting point and boiling point

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

What happens when you move up group 17?

A

reactivity increase as you go up

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

What color is fluorine?

A

yellow

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

What color is chlorine?

A

green

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

What color is bromine?

A

Orange/ red

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

What color is Iodine?

A

when solid it’s grey-black but when vapourized it’s purple

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

What is the name of halogens + hydrogen gas

A

hydrogen halides

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

What happens when hydrogen mixes with fluorine?

A

reacts explosively even in cool, dark conditions

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

What happens when hydrogen mixes with Chlorine?

A

reacts explosively in sunlight

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

What happens when hydrogen mixes with Bromine?

A

reacts slowly on heating

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

What happens when hydrogen mixes with Iodine?

A

Forms an equilibrium mixture on heating

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

What is it called when halogens + alkali

A

salts, or metal halides are formed

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

What is single displacement reactions of halogens?

A

when a halogen is kicked out by another more reactive halogen in a reaction

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

What is hydrochloric acid?

A

a solution composed of water molecules and hydrogen chloride

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

What is hydrogen chloride?

A

a gas that is made up of hydrogen and chlorine bonded by a single bond

16
Q

What happens when alkali reacts with hydrochloric acid?

A

the metal will replaec the hydrogen to produce metal chloride + hydrogen gas

17
Q

What are some uses of chlorine?

A

purification of water, bleaching

18
Q

What are some uses of Iodine?

A

antiseptic substance

19
Q

How are some ways we test for chlorine gas?

A

chocking smell, turns damnp blue litmus paper to red and then white.

Chemistry (12 decks)

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