MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Introduction to CFT

What is the c...

Question

What is the change in colour of potassium dichromate when aq. KOH is added in it .

Open in App

Solution

Orange colour changes to yellow
$C r_{2} {O_{7}}^{2 -} + 2 O H^{-} \to 2 C r {o_{4}}^{2 -} + H_{2} O$
Orange Yellow

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion :Change in colour of acidic solution of potassium dichromate by breath is used to test drunk drivers. Reason: Change in colour is due to the complexation of alcohol with potassium dichromate.

Q. When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of?

Q. When sulphur dioxide is passed through potassium dichromate solution, the colour changes from to .

Q. How will you convert potassium chromate to potassium dichromate ? Mention the colour change involved in the reaction.

Q. Potassium permanganate is purple in colour. On adding

K O H

, it turns green. What is the compound formed?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Crystal Field Theory

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Introduction to CFT

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon