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For elements B, C, N, Li, Be, O and F the correct order of first ionization enthalpy is

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For elements B, C, N, Li, Be, O and F the correct order of first ionization enthalpy is

(1) Li < Be < B < C < N < O < F

(2) B > Li > Be > C > N > O > F

(3) Li < B < Be < C < O < N < F

(4) Li <  Be < B < C < O < N < F

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(3) Li < B < Be < C < O < N < F

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