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Consider the following reactions (i) A...

Consider the following reactions
(i) `A(s)rarrA(g):DeltaH_(1)`
`A(g)rarrA^(+)(g):DeltaH_(2)`
`A^(+)(g)rarrA^(2+)(g):DeltaH_(3)`
then according to the given information, select the correct statement(s)

A

`DeltaH_(1),DeltaH_(2)` and `DeltaH_(3)` are always positive

B

`DeltaH_(1)` is negative where as `DeltaH_(2)` and `DeltaH_(3)` are positve

C

`DeltaH_(3)` is more positive than `DeltaH_(2)`

D

`DeltaH_(3)` represents third ionisation energy of element 'A'

Text Solution

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The correct Answer is:
A, C
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