First slide

13th group or boron group

Question

$A l + X \overset{Δ}{\to} Y + H_{2} O \to Z + N H_{3}$
identify X, Y and Z.

Moderate

A

$O_{2}, A l_{2} O_{3}, A l {(O H)}_{3}$
B

$N_{2}, A l N, A l_{2} O_{3}$
C

$N_{2}, A l N, A l {(O H)}_{3}$
D

$C O_{2}, A l_{4} C_{3}, C H_{4}$

Solution

$2 A l + N_{2} \to 2 A l N .$
$A l N + 3 H_{2} O \to A l {(O H)}_{3} + N H_{3}$

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