P Block Elements Group 13 Question 4
Question 4 - 30 January - Shift 1
Lithium aluminium hydride can be prepared from the reaction of
(1) $LiCl$ and $Al_2 H_6$
(2) $LiH$ and $Al_2 Cl_6$
(3) $LiCl, Al$ and $H_2$
(4) $LiH$ and $Al(OH)_3$
Show Answer
Answer: (2)
Solution:
Formula: Preperation of $LiALH_4$
$8 LiH+Al_2 Cl_6 \longrightarrow 2 LiAlH_4+6 LiCl$