Welcome to the Quiz!
This quiz contains 14 questions from a mix of 1 subtopics.
What is the oxidation number of phosphorus in PCl5?
+3
+5
+1
+4
+2
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Which period 3 element has the highest oxidation number in its chloride?
silicon
magnesium
sodium
phosphorus
aluminium
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Which period 3 chlorides have simple molecular structures?
(Select all that apply).
Al2Cl6
MgCl2
SiCl4
NaCl
PCl5
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What is the pH of the solution formed when sodium chloride is added to water?
7
3
2
10
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The pH of the solution formed when magnesium chloride is added to water is than the pH of the solution formed when silicon chloride is added to water.
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What are the white fumes produced in the reaction between silicon tetrachloride and water?
HCl
H2SO4
SO2
SO3
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Select the correct products of the reaction between phosphorus(V) chloride and water.
H3PO4 + HCl
PO3 + HCl
HPO3 + HCl
H2PO4 + HCl
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Magnesium chloride dissolves in water to give a solution that is...
strongly alkaline
weakly alkaline
strongly acidic
weakly acidic
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Silicion tetrachloride reacts with water to give a solution that is...
weakly alkaline
weakly acidic
strongly alkaline
strongly acidic
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Which period 3 chlorides react with water?
(Select all that apply).
sodium chloride
magnesium chloride
silicon chloride
phosphorus chloride
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What is the product of the reaction between aluminium and chlorine?
AlCl3
Al3Cl
Al2Cl6
Al6Cl2
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Which of the following elements does not react with chlorine?
sodium
argon
aluminium
magnesium
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What is the product of the reaction between phosphorus and excess chlorine gas?
PCl3
PCl4
PCl5
PCl6
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Silicon reacts slowly with chlorine to form silicon() chloride.
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