tthall7188 tthall7188
  • 04-04-2018
  • Chemistry
contestada

What is the oxidation number of chromium in k2cr2o7?



1.



+12

2.



+2

3.



+3

4.



+6?

Respuesta :

WaleMaths
WaleMaths WaleMaths
  • 05-04-2018
K₂Cr₂O₇

(+1*2) + (x*2) + (-2*7)

2 + 2x - 14 = 0
2x - 12 = 0

2x = 12

x = 12/2

x = +6...
Answer Link

Otras preguntas

What are some actions that you can take to better manage your daily spending? How does daily spending contribute to successful money management or not-so-succes
Aspirin can cure a headache, but when you pop an aspirin tablet, how does the aspirin know to go to your head rather than your big toe?
Use 3.14 for pie to estimate the area of the circle diameter is given round your answer to the nearest hundredth if Necessary
What is the literal meaning of piece of cake
What is 2/3 minus 5/12? Any answers?
Which are organisms that are so small that they can only be seen through a microscope
the square root of 100 over 4x squared
where did the dutch have control in asia
In the examples of North and South Korea and North and South Vietnam, the United States chose a course of action that could best be described as __________. A.
A baseball diamond is a square with corners at home plate, first base, second base, and third base. The distance between home plate and first base is 30 yards.