For the half cell reaction, 2BrO−3+12H++10e→Br2+6H2O the equivalent mass of sodium bromate is
A
Equal to its mol. mass
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1/3 of its mol. mass
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
1/6 of its mol. mass
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1/5 of its mol. mass
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D1/5 of its mol. mass 2BrO−3+12H++10e→Br2+6H2O During the above conversion bromate changed the oxidation number from +5 to 0 when its converted to Br2. So the equivalent weight is M/5 So the equivalent mass of sodium bromate is 1/5 of itsmolecular weight. Hence option D is correct.