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Select the endothermic step(s):...

Select the endothermic step(s):

A

`S^(-)(g)rarrS^(2-)(g)`

B

`Na^(+)(g)+Cl^(-)(g)rarrNaCl(s)`

C

`N(g)rarrN^(-)(g)`

D

`Al^(2+)(g)rarrAl^(3+)(g)`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
`{:((a),S^(-)(g)rarrS^(2-)(g),,DeltaH_(e.g.)=(+)ve),((b),Na^(+)(g)+Cl^(-)(g)rarrNa^(+)Cl^(-)(s),,DeltaH_(I.E.)=(-)ve),((c),N(g)rarrN^(-)(g),,DeltaH_(e.g.)=(+)ve),((d),Al^(2+)(g)rarrAl^(3+)(g),,DeltaH_(I.E.)=(+)ve):}`
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