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K2Cr2O7 + S → Cr2O3 + K2SO4 | , Phản ứng oxi-hoá khử
K2Cr2O7 | Potassium dichromate; Potassium bichromate; Dichromic acid dipotassium salt | solid + S | sulfur | solid = Cr2O3 | chromium(iii) oxide | solid + K2SO4 | potassium sulfate | solid | Temperature: temperature, Other Condition excess chlorine
Introduce
Detailed information about the equation
Reaction conditions when applied K2Cr2O7 + S
- Catalyst: not available
- Temperature: 800 - 1000
- Pressure: normal
- Other conditions: not available
Reaction process K2Cr2O7 + S
Process: S reacts with sodium dichromate
Note: not available
The result of the reaction K2Cr2O7 + S
The phenomenon: Yellow color of sunfur (S) gets decolored and dark green precipitate of chrome III oxide (Cr2O3) appears
Detailed information on the reactants
Information about K2Cr2O7 (Potassium dichromate; Potassium bichromate; Dichromic acid dipotassium salt)
Information about S (sulfur)
Detailed information about the products of the reaction
Information about Cr2O3 (chromium(iii) oxide)
- Atomic weight: 151.9904
- Color: dạng tinh thể màu đen ánh kim; dạng vô định hình là chất bột màu lục thẫm
- Status: chất rắn dạng tinh thể hoặc bột vô định hình
Information about K2SO4 (potassium sulfate)
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The equations for preparation K2Cr2O7
Catalyst
normal
Temperature
normal
Pressure
normal
Other conditions
normal
Catalyst
normal
Temperature
normal
Pressure
normal
Other conditions
normal
Catalyst
normal
Temperature
room temperature
Pressure
pressure condition
Other conditions
normal
The equations for preparation S
Catalyst
normal
Temperature
normal
Pressure
normal
Other conditions
normal
Catalyst
normal
Temperature
normal
Pressure
normal
Other conditions
normal
Catalyst
normal
Temperature
normal
Pressure
normal
Other conditions
normal
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