Least stable anion

IIT JEE 2015 Sample Questions › Physical Chemistry questions › Least stable anion

Identify the least stable anion:
a)Li^- b)Be^- c)B^- d)C^-

#Chemistry #Physical Chemistry

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Tanumoy Bar ·Aug 4 '12 at 8:58

Li-

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Anshula mondal ·Aug 4 '12 at 11:10

i 2 think its Li- coz the size of Li being small it will have high electron density so if an e- is added to it its stability will decrease more in comparision 2 the others

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Andriano Stallin ·Aug 5 '12 at 7:17

Answer is Be^-

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Tanumoy Bar ·Aug 5 '12 at 23:02

answer is wrong

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Hardik Sheth ·Aug 11 '12 at 6:38

size of Be is less than B and Li.c- is stable coz half filled(1s2,2s2,2p3).so the explanation given above is corect for be-.

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Hardik Sheth the size of Be being small it will have high electron density so if an e- is added to it its stability will decrease more in comparision 2 the others
Upvote·0· Reply ·Aug 11 '12 at 6:38
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Basic Integral Calculus Operators Symbols Matrix Cases

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° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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Least stable anion

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