Orthoboric acid contains : (A) pyramidal \( \mathrm{BO}_{3}^{3-} \) units (B) linear \( \mathrm{...

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Orthoboric acid contains :
(A) pyramidal \( \mathrm{BO}_{3}^{3-} \) units
(B) linear \( \mathrm{BO}_{3}^{3-} \) units
(C) T-shaped \( \mathrm{BO}_{3}^{3-} \) units
(D) triangular \( \mathrm{BO}_{3}^{3-} \) units
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