Have an account?
Skip to Content
Build your own quiz
Suggestions for you
17 questions
Show Answers
See Preview
- 1. Multiple Choice
How do the halogens exist in their standard state?
as monoatomic molecules
as diatomic molecules
as a giant covalent lattice
- 2. Multiple Choice
From fluorine to iodine, the boiling points of the halogens
decrease down the group BECAUSE fluorine is the most reactive halogen
decrease down the group BECAUSE fluorine is the most electronegative halogen
increase down the group BECAUSE iodine has the most electrons
increases down the group BECAUSE iodine has the largest atomic radius
- 3. Fill in the Blank
What is the electronic configuration of Chlorine? Written in the form 1s2 2s2 2...
- 4. Multiple Choice
How many electrons does a halogen have in its outer shell and what charge ion does it form?
2, +2
6, -2
7, -1
1, +1
- 5. Multiple Choice
What intermolecular forces are present for halogen molecules?
permanent dipole-dipole
hydrogen bonding
induced dipole-dipole
ionic
- 6. Multiple Choice
In a halogen-halide displacement reaction ________ can replace ____________. Tick all that apply
iodine, bromide
bromine, iodide
bromine, chloride
chlorine, bromide
chlorine, iodide
- 7. Fill in the Blank
Down the group reactivity of the halogens __________?
- 8. Fill in the Blank
In a redox reaction is chlorine, Cl2, oxidised or reduced?
- 9. Multiple Choice
When Cl2(aq) reacts with iodide ions (aq) what is observed?
colour change to pale green from Cl2 (aq) formation
no change observed
colour change to orange from Br2 (aq) formation
colour change to violet from I2 (aq) formation
- 10. Multiple Choice
Fill in the blanks:
In the halogens, going down the group, atomic radius _________. More inner shells causes shielding to __________. ____ nuclear attraction to capture an electron from another species. Reactivity ___________.
decreases, decrease, more, increases
increases, decrease, less, increases
increases, increase, less, decreases
decreases, increase, more, decreases
- 11. Multiple Choice
Which of the following are examples of a disproportionate reaction
Cl2(aq) + H2O(l) --> HClO(aq) + HCl(aq)
Cl2(aq) + 2Na(s) --> 2NaCl(aq)
Cl2(aq) + 2NaOH(s) --> NaClO(aq) + NaCl(aq) + H2O(l)
Cl2(aq) + 2Br-(aq) --> 2Cl-(aq) + Br2(aq)
- 12. Multiple Choice
What are the disadvantages of using chlorine in water treatment?
formation of organic hydrocarbons that can decay vegetation
chlorine gas is toxic
formation of chlorinated hydrocarbons which are carcinogens
chlorine is a respiratory irritant
formation of toxic salts
- 13. Multiple Choice
Which aqueous metal ion do aqueous halide ions react with to form precipitates
Ag+(aq)
Au+(aq)
Hg+(aq)
Pb+(aq)
- 14. Multiple Choice
What is the best explanation for the trend in boiling points down the halogens group?
The covalent bonds become stronger
The hydrogen bonds become stronger
The permanent dipole-dipole interactions become stronger
The induced dipole-dipole interactions (London forces) increase
- 15. Multiple Choice
Which silver compound is insoluble in conentrated NH3(aq)?
AgNO3
AgCl
AgBr
AgI
- 16. Multiple Choice
Which statement about the reactions of halogens with halide ions is correct?
A
B
C
D
- 17. Multiple Choice
Which reaction shows chlorine only being oxidised
A
B
C
D
- Answer choicesTagsAnswer choicesTags