p-Block Elements-I - Result Question 13
####13. The crystalline form of borax has
(2016 Adv.)
(a) tetranuclear
(b) all boron atoms in the same plane
(c) equal number of
(d) one terminal hydroxide per boron atom
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Answer:
Correct Answer: 13. (b)
Solution:
(borax) is actually made of two tetrahedral and two triangular units, and is actually written as .
(a) Thus, correct.
(b) Boron atoms are in different planes thus, incorrect.
(c) Two
(d) Each boron has one -