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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
p Block Elements (Group 13 & 14)

NTA Abhyas 2020 · Chemistry · p Block Elements (Group 13 & 14)

In borax if m is number of hydroxy groups and 'n' is number of...

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 Na2[B4O5(OH)4]8H2ON{a}_{2}\left[{B}_{4}{O}_{5}{\left(OH\right)}_{4}\right]8{H}_{2}O
m = 4, n = 8
m+n=4+8=12m + n = 4 + 8 = 12
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