properties of halogens

Quiz
•
Chemistry
•
11th - 12th Grade
•
Hard
Periseyti Njeri
Used 69+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chlorine compounds show oxidation states ranging from –1 to +7. What are the reagent(s) and conditions necessary for the oxidation of elemental chlorine into a compound containing chlorine in the +5 oxidation state?
AgNO3(aq) followed by NH3(aq) at room temperature
concentrated H2SO4 at room temperature
cold dilute NaOH(aq)
hot concentrated NaOH(aq)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which statement is true about halogens?
form covalent compounds with other non-metallic elements
A less reactive halogen will displace a more reactive element form its ionic salt
Form ionic compound with hydrogen
form negative ion of charge -2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which one is used in the manufacture of bleaches
Hydrochloric caid
sodium hydroxide
silver iodide
hydrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one does NOT represent a possible reaction?
fluorine + sodium chloride ==> sodium fluoride + chlorine
chlorine + sodium iodide ==> sodium chloride + iodine
chlorine + potassium bromide ==> potassium chloride + bromine
bromine + sodium chloride ==> sodium bromide + chlorine
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which four numbers a, b, c and d are required to balance the equation?
a Cl2(aq) + b KI(aq) ==> c KCl(aq) + d I2(aq)
2 1 1 2
1 2 2 1
2 1 2 1
1 2 1 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which property of halogens increases from fluorine to iodine
electronegativity of elements
oxidizing power of elements
bond length in the halogen molecule
First ionization energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The given table shows the results obtained when the halogens X2, Y2 and Z2 were added to separate aqueous solutions containing X-, Y- and Z-. which set correctly shows the strength (strongest first) of the ions X-, Y- and Z- as reducing agents?
X- Y- , Z-
X-, Z-, Y-
Y-, Z-, X-
Z-, X-, Y-,
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