Physics, asked by jayeshabhang11, 8 months ago

How will prepare potassium dichromate ( K2Cr207 ) by chromite ore (FeoCr203)

Answers

Answered by ishitasahu2210

1

Explanation:

Potassium dichromate is prepared from chromite ore (FeCr2O4) in the following steps. Potassium dichromate being less soluble than sodium chloride is obtained in the form of orange coloured crystals and can be removed by filtration. The dichromate (Cr2O2-7) ion exists in equilibrium with chromate (CrO2-4) ion at pH 4.

Mark as branliest plzz!!!!

Previous Question

Next Question

Similar questions

English, 3 months ago

Write an ACROSTIC POEM about the telephone.Start each line with the word or the phrase that begins with the given letter:-T_______________________ E_______________________ L_______________________ E_______________________ P_______________________ H_______________________ O______________________ N_______________________ E_______________________ pls answer fast very important...

English, 3 months ago

1. The ant is is Look at the pictures. Fill in the blanks with the correct prepositions. 3. One ball bounced. the stool and the other bounced .....(by/in) the bottle and the cockroach (on/at) the bottle. ..... (for/up) Swati. It is ........ (on/through) 2. The present is (with/from) Sonali. E (from/under) the table. 4. The balloon is floating ....... (on/in) the air. It is (at/above) the sea.

Math, 3 months ago

zinc carbonate formula ...

English, 8 months ago

Write a letter to the editor of ‘The Hindustan Times’ discussing about the insensitive behaviour of people towards stray animals in your locality.

Math, 8 months ago

if the no. has unit digit _,_,_,_,_,_ then it can be a perfect square.

English, 11 months ago

rhyming word of multiply...

English, 11 months ago

Mr Ghosh said to the gatekeeper,"Let the gates be open". change indirect speach ...

Math, 11 months ago

A football shown is made by sewing 12 black pentagonal panels and 20 white hexagonal panels. There is a join wherever 2 panels meet along an edge. How many joints are there in all.