1.

Which of the following reactions would proceed inn the forward direction ?

Answer»

`[Co(NH_(3))_(6)]^(3+)+3en iff [Co(en)_(3)]^(3+)+6NH_(3)`
`2Na[Al(OH)_(4)]+CO_(2) rarr 2AL(OH)_(3)+Na_(2)CO_(3)+H_(2)O`
`AlN+H_(2)O rarr Al(OH)_(3)+NH_(3)`
all of the above

Solution :If the `DeltaG rarr`Negative, reaction proceed in the forward DIRECTION.
(a) `[Co(NH_(3))_(6)]^(3+)+3 en iff [Co(en)_(3)]^(3+)+6NH_(3)` stability of `[Co(en)_(3)]^(3+) gt [Co(NH_(3))_(6)^(3+)`
(B) `2Na[Al(OH)_(4)]+CO_(2) rarr 2Al(OH)_(3)+Na_(2)CO_(3)+H_(2)O` Precipitation reaction
( c) `AlN+H_(2)O rarr Al(OH)_(3)+NH_(3)` Evolved gas.


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