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WorksheetsHalogen compound and Synthesis Halogen
Total questions: 10
Worksheet time: 3mins
Which range presents the decreasing order of acidity?
HCl > HBr >HI> HF
HI > HBr > HCl > HF
HF > HCl > HBr > HI
HF > HI > HBr > HCl
Which is the reaction that was applied in industrial synthesis of Chlorine gas?
MnO2+4HCl →MnCl2 +2H2O +Cl2↑
2KMnO4 +16HCl → 2KCl +2MnCl2 +8H2O +5Cl2
KClO3 +6HCl → KCl +3H2O + 3Cl2↑
2NaCl + 2H2O electrolyte wt membrane H2↑ +Cl2↑ + 2NaOH
Which are figures of Chlorine gas synthesis?
Which one has negative oxidation number?
HClO
HClO4
HBrO
OF
Full component of Javel solution
NaCl + NaClO + H2O
NaClO + H2O
NaClO + HClO + H2O
HCl + HClO + H2O
How is Florine gas prepared?
Let Calcium Flourine react with Sulfuric acid
Silicate oxide reacts with hydroflouric gas
Electrolyte (with membrane) the solution of Sodium Flouride
Electrolyte mixture of Potassium Floride & hydroflouric
Which range presents the decreasing order of oxidative property?
HClO4 > HClO3 > HClO2 > HClO
HClO > HClO2 > HClO3 > HClO4
HClO4 > HClO2 > HClO3 > HClO
HClO > HClO3 > HClO2 > HClO4
Using only a reagent to distinguish these halogen ion: F-, Cl-, Br-, I-
HgCl2
Hg(NO3)2
AgNO3
AgCl
Why does colorless HBr solution, put such a long time in the air, turn to brownish yellow?
There is a HBr decomposition, Br2 is released
HBr react with O2, which releases Br2
HBr reacr with Cl2, which release Br2
Which compound was used in engraving glass?
HF
HCl
HClO
HBrO
