Q.

In the redox ionic equation, 2MnO4 + Br + H2O → 2MnO2 + BrO3 + 2OH; the equivalent weight of potassium permangante of molar mass ‘M’ in g mol–1 is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

M/5

b

M/6

c

M/3

d

M/2

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

2Mn+7O4-+ Br-1 + H2O  2Mn+4O2 +BrO3- + 2OH

Change in oxidation state in Br from reactant to product is +3. Hence, the equivalent weight of Br is M/3.

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon