MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12
        
can you please tell me the properties of K2Cr2O7 and KMnO4? regards
3 years ago

Answers : (1)

Umakant biswal
5349 Points
							
Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health.
1- when heated it decompose to its chromate 
2- with alkali its converted into chromate which on acidifying convert back to dichromate 
3- in dichromate solution the ions are in equilibrium with cro4 ^ 2- 
PROPERTIES OF KMNO4 
1- it will crystallize as a dark purple crystals with greenish lustre . 
2- it is soluble in water to an extent of 6.5 gram per 100 g at room temp . 
3- it is a powerfull oxidising agent . 
4- the permanganate ion responsible for oxidising charecter . 
HOPE IT HELPS 
ALL THE BEST ..

 
3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 70 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details