NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 13 & 14)Practice
In borax if m is number of hydroxy groups and 'n' is number of water molecules. What is the sum of m + n?
Correct answer
12
Step-by-step solution
Borax is N a 2 B 4 O 5 O H 4 8 H 2 O m = 4, n = 8 m + n = 4 + 8 = 12