elexbollah elexbollah

21-06-2020
Chemistry

contestada

Find the oxidation number of chromium in K2Cr2O7

Respuesta :

ujalakhan18 ujalakhan18

21-06-2020

Answer:

The oxidation state of chromium is +6

Explanation:

Let the oxidation number be x

Since The sum of all oxidation numbers are equal to zero,

So,

(+1)2 + 2x + (-2)7 = 0

+2 +2x -14 = 0

2x-12 = 0

2x = +12

Dividing 2 to both sides

x = +6

Answer Link

Otras preguntas

Three features of the sport organization-its formal structure, informal networks, and __________-both influence and are influenced by the communication flow.

Which is the best response to the question ¿Cómo está el niño? Question 6 options: El niño está aburrido. El niño está aburrida. El niño está aburridos.

At a local school dance, the booster club is having a fundraiser selling pictures. Pictures without frames sell for $5, and with a frame sell for $10. They made

What is an allergic reaction? The body's abnormal immune response to a foreign substance A mechanical injury caused by a foreign object A normal body fu

Best answer will be awarded the brainliest and 5 stars solve this problem using estimation and rounding each amount to the nearest ten dollars so Over a two mon

Who was Petrarch? A. a sculptor from classical Rome who created lifelike statues that were copied during the Renaissance B. a fourteenth-century Italian

Harry baked a cake in the shape of a right rectangular prism and cut it in half parallel to the base of the cake. The base is 6 inches long and 4 inches wide, a

there are 45 boats on a dock.what is the ratio of boats to docks

Marquez is constructing a regular hexagon inscribed in a circle. he begins by drawing a line and labeling a point on the line as point a. he then uses his compa

find the solutions to the system; y=x^2-3x-1 and y=8x-1 a) (0,-1) and (11,388) b) (0,-1) and (11,87) c) (-1,0) and (87,11) d) no solution I know the first step