Questions
Which of the following transformation requires least energy ?
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By Expert Faculty of Sri Chaitanya
a
F(g)−⟶F(g)+e−
b
P(g)−⟶P(g)+e−
c
S(g)−⟶S(g)+e−
d
Cl(g)−→Cl(g)+e−
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Correct option is B
If we consider the opposite process :(1) F(g)+e−⟶F(g)− ; ΔH1(2) P(g)+e−⟶P(g)− ; ΔH2(3) S(g)+e−⟶S(g)− ; ΔH3(4) Cl(g)+e−⟶Cl(g)− ; ΔH4Order of energy releases is : ΔH4>ΔH1>ΔH3>ΔH2 So, P(g)−→P(g)+e− Requires least energy.
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