Which of the following is correct order of Zeff -A- I - I - I -B- Mg 2- Na - F -C- Li - Be - BD- P 5- P 3-

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Electronegativity

Which of the ...

Question

Which of the following is correct order of $Z_{e f f}$ :

I^{-} > I > I^{+}

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M g^{2 +} > N a^{+} > F^{-}

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P^{5 +} < P^{3 +}

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L i > B e > B

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(I) I < B r < F < C l increasing electron gain enthalpy

(I I) L i < N a < K < R b increasing metallic radius

(I I I) B < C < N < O increasing first ionization energy

(I V) A l^{3 +} < M g^{2 +} < N a^{+} < F^{-} increasing ionic size

I) | I P_{1} of ion M^{2 +} | > | E A_{1} o f M^{3 +} |

(IP = ionization potential, and EA = electron affinity)

I I) S > S e > T e > O (order of EA)

I I I) L i < B e < B < C (order of electronegativity)

I V) A l^{3 +} < M g^{2 +} < N a^{+} < F^{-} (order of ionic size)

V) L i^{+} > N a^{+} < K^{+} (order of hydrated size)

V I) N a C l > M g C l_{2} > A l C l_{3} (order of lattice energy)

F^{-}, O^{2 -}, N a^{+}, M g^{2 +}

I

A l > S i > P > C l

I I

B e < M g < C a < S r

I I I

I < B r < C l < F

I V

{N a}^{+} < {M g}^{2 +} < {A l}^{3 +} < {S i}^{4 +}

Correct orders of first I.P. are -

(i) Li < B < Be < C

(ii) O < N < F

(iii) Be < N < Ne

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