A) \[N{{a}_{2}}[{{B}_{4}}{{O}_{5}}{{(OH)}_{4}}].8{{H}_{2}}O\]
B) \[2NaB{{O}_{2}}.N{{a}_{2}}{{B}_{2}}{{O}_{3}}\cdot 10{{H}_{2}}O\]
C) \[N{{a}_{2}}[{{B}_{4}}{{({{H}_{2}}O)}_{4}}{{O}_{7}}]\cdot 6{{H}_{2}}O\]
D) None of these
Correct Answer: A
Solution :
Idea This problem is based on molecular formula representation and structure of borax, students are advised to go through the structure of borax and their molecular formula representation to solve the question. Borax molecule is actually made of two tetrahedral and two triangular units joined as followsYou need to login to perform this action.
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