In which of the following arrangements the order is NOT according to the property indicated against it

Al³<Mg²⁺<Na+<F^-: Increasing ionic size

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B<C<N<O: Increasing first ionization enthalpy

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I<Br<F<Cl: Increasing electron gain enthalpy (with negative sign)

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Li<Na<K<Rb: Increasing metallic radius

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Solution

The correct option is B
B<C<N<O: Increasing first ionization enthalpy

B<C<N<O; When we move from B to O in a periodic table the first ionisation enthalpy increase due to the attraction of nucleous towords the outer most of electron.

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Similar questions

Q. In which of the following arrangements, the order is according to the property indicated against it.

(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

In which of te following options order of arrangement does not agree with the variation of property indicated against it?
(a) $A l^{3 +} < M g^{2 +} < N a^{+} < F -$ (Increasing ionic size)
(b) B < C < N < O (Increasing first ionlsation enthalpy)
(c) I < Br < Cl< F (increasing electron gain enthalpy)
(d) Li < Na< K < Rb (Increasing metallic radius)

In which of the following option the order of arrangement does not agree with the variation of property indicated against it

a) Li<Na<K<Rb(increasing metallic radius)

b) B<C<N<O(increasing 1st ionisation enthalpy)

c)I<Br<Cl<F(increasing electron gain enthalpy)

d) Al³⁺<Mg²⁺<Na⁺<F^-(increasing ionic size)

Arrange the following as per instructions given in the brackets.

(a) Mg. Cl, Na, S, Si (decreasing order of atomic size)

(b) Cs, Na, Li, K, Rb (increasing metallic character)

(d) Cl, F, Br, I (increasing electron affinity)

(e) Cs, Na, Li, K, Rb (decreasing electronegativity)

Q. Arrange the following isoelectronic species in order of increasing ionization enthalpy (IE).

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

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In which of the following arrangements the order is NOT according to the property indicated against it

The correct option is B B<C<N<O: Increasing first ionization enthalpy B<C<N<O; When we move from B to O in a periodic table the first ionisation enthalpy increase due to the attraction of nucleous towords the outer most of electron.

The correct option is B
B<C<N<O: Increasing first ionization enthalpy

B<C<N<O; When we move from B to O in a periodic table the first ionisation enthalpy increase due to the attraction of nucleous towords the outer most of electron.