Q31 of 44 Page 324

Write balanced equations for:

(i) BF3 + LiH →


(ii) B2H6 + H2O →


(iii) NaH + B2H6→


(iv)


(v) Al + NaOH →


(vi) B2H6 + NH3→

(i) 2BF3 + 6LiH → B2H6 + 6LiF


(ii) B2H6 + 6H2O → 2H3BO3 + 6H2


(iii) 2NaH + B2H6→ 2NaBH4


(iv) 4H3BO3 → 4HBO2→ H2B4O7→ 2B2O3


(v) 2Al + 2NaOH → 2Na + [Al(OH)4]-(aq) + 3H2


(vi)


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