MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp-Block (group 13 and 14)Boron and Its Compounds

From B₂H₆, all the following can be prepared except:

A.B₂O₃

B.H₃BO₃

C.B₂(CH₃)₆✓ Correct

D.NaBH₄

Explanation

Diboron hexahydride is used to prepare to boron oxide 2 3 B O , boric acid 3 HBO and sodium tetrahydroborate 4 NaBH . And the reactions are as follows 2 6 2 2 3 2 2 6 2 3 3 2 2 6 4 B H 3O B O 3H O Heat B H 6H O H BO 6H B H 2NaH NaBH + ® + + + ® + + ®

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