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)
Which is not true about borax?
Which is not true about borax?
Options
- AIt is a useful primary standard for titrating against acids
- BOne mole of borax contains 4 bonds
- CAqueous solution of borax can be used as buffer
- DIt is made up of two triangular units and two tetrahedral units
Correct answer
B. One mole of borax contains 4 bonds
Step-by-step solution
Here only in option B is incorrect while rest other are correct.
In borax among 10 water molecules 2 molecules are part of structure, i.e., exists
Methyl orange (pH = 3.7) is used to detect end point. Aqueous solution of borax acts as buffer, as borax is salt of strong base NaOH and weak acid .
In borax among 10 water molecules 2 molecules are part of structure, i.e., exists
Methyl orange (pH = 3.7) is used to detect end point. Aqueous solution of borax acts as buffer, as borax is salt of strong base NaOH and weak acid .