p-Block Elements-I - Result Question 8
####8.
How can this reaction is made to proceed in forward direction?
(2006, 3M)
(a) Addition of cis 1, 2-diol
(b) Addition of borax
(c) Addition of trans 1, 2-diol
(d) Addition of
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Answer:
Correct Answer: 8. (a)
Solution:
- Orthoboric acid is a very weak acid, direct neutralisation does not complete. However, addition of cis-diol allow the reaction to go to completion by forming a stable complex with
as: