A) \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}\]
B) \[HB{{O}_{2}}\]
C) \[{{H}_{3}}B{{O}_{3}}\]
D) \[{{H}_{2}}{{B}_{4}}{{O}_{7}}\]
Correct Answer: A
Solution :
[a] \[\underset{Colemanite}{\mathop{C{{a}_{2}}{{B}_{6}}{{O}_{11}}}}\,+2N{{a}_{2}}C{{O}_{3}}\to \underset{(X)\,(Borax)}{\mathop{N{{a}_{2}}{{B}_{4}}{{O}_{7}}}}\,+2NaB{{O}_{2}}+2CaC{{O}_{3}}\]You need to login to perform this action.
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