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NEET • CHEMISTRY • 13 TH GROUP ELEMENTS (P-BLOCK)
13 th group elements (p-block) practice · Mixed difficulty
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Consider the following statements a. Boric acid is a weak monobasic protonic acid b. Orthoboric acid on heating above 370 K forms metaboric acid c. Diborane on hydrolysis forms boric acid. The correct statements are
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Correct option: B
b and c only
Option B (b and c only) is correct because orthoboric acid forms metaboric acid upon heating and diborane hydrolyzes to form boric acid, while boric acid is a weak monobasic Lewis acid, not a protonic acid.
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