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5K2Cr2O7 + 6P → 5K2O + 3P2O5 + 5Cr2O3 | , Phản ứng oxi-hoá khử
K2Cr2O7 | Potassium dichromate; Potassium bichromate; Dichromic acid dipotassium salt | solid + P | phosphorus | solid = K2O | | solid + P2O5 | phosphorus pentoxide | solid + Cr2O3 | chromium(iii) oxide | solid | Temperature: temperature, Other Condition excess chlorine
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Detailed information about the equation
Reaction conditions when applied K2Cr2O7 + P
- Catalyst: not available
- Temperature: temperature
- Pressure: normal
- Other conditions: not available
Reaction process K2Cr2O7 + P
Process: P reacts with potassium dichromate
Note: not available
The result of the reaction K2Cr2O7 + P
The phenomenon: Orange turns dark green
Detailed information on the reactants
Information about K2Cr2O7 (Potassium dichromate; Potassium bichromate; Dichromic acid dipotassium salt)
Information about P (phosphorus)
- Atomic weight: 30.9737620 ± 0.0000020
- Color: Không màu, trắng sáp, đỏ tươi hơi vàng, đỏ, tím, đen
- Status: chất rắn
Detailed information about the products of the reaction
Information about K2O
- Atomic weight: 94.19600 ± 0.00050
- Color: màu vàng nhạt, không mùi
- Status: Chất rắn
Information about P2O5 (phosphorus pentoxide)
- Atomic weight: 141.9445
- Color: bột trắng dễ chảy rữa mùi hăng
- Status: chất rắn
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
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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 P
Catalyst
normal
Temperature
1200
Pressure
normal
Other conditions
normal
Catalyst
normal
Temperature
210 - 250
Pressure
vacuum
Other conditions
normal
Catalyst
normal
Temperature
750 - 850
Pressure
normal
Other conditions
normal
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