Asked by meme
HOw would you predict the colour change or changes in number of states for the following:
To a solution of 5 drops of 0.3 M K2CrO4 ans 2 drops of 0.3M NaOH add a drop at a time 0.1 M Ba(NO3)2 until a change is noticed.
Given:
BaCrO4(s) ---> Ba2+ + CrO42-
2CrO42-+2H+ --->Cr2O7 2- + H2O
To a solution of 5 drops of 0.3 M K2CrO4 ans 2 drops of 0.3M NaOH add a drop at a time 0.1 M Ba(NO3)2 until a change is noticed.
Given:
BaCrO4(s) ---> Ba2+ + CrO42-
2CrO42-+2H+ --->Cr2O7 2- + H2O
Answers
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