The correct statements from the following are: (A) The decreasing order of atomic radii of group 13 elements is Tl>In>Ga>Al>B. (B) Down the group 13 electronegativity decreases from top to bottom. (C) Al dissolves in dil. HCl and liberates H₂ but conc. HNO₃ renders Al passive by forming a protective oxide layer on the surface. (D) All elements of group 13 exhibits highly stable +1 oxidation state. (E) Hybridisation of Al in [Al(H₂ O)₆]³⁺ ion is sp³ d². Choose the correct answer from the options given below:

p-Block Elements: JEE Main 2024 Chemistry question

JEE Main 2024 · 5 Apr, Evening shift · Q1464

JEE Main 20245 Apr, Evening shiftChemistryHardp-Block Elements95× since 2002

The correct statements from the following are : (A) The decreasing order of atomic radii of group 13 elements is

\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}

. (B) Down the group 13 electronegativity decreases from top to bottom. (C)

\mathrm{Al}

dissolves in dil.

\mathrm{HCl}

and liberates

\mathrm{H}_2

but conc.

\mathrm{HNO}_3

renders

\mathrm{Al}

passive by forming a protective oxide layer on the surface. (D) All elements of group 13 exhibits highly stable +1 oxidation state. (E) Hybridisation of

\mathrm{Al}

[\mathrm{Al}(\mathrm{H}_2 \mathrm{O})_6]^{3+}

ion is

\mathrm{sp}^3 \mathrm{d}^2

. Choose the correct answer from the options given below :

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