p Block Elements Part 3

Section: Chemistry

Question : 35 of 72

Marks: +1, -0

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 liberate 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(H2O)6]3+ ion is sp3d2.
Choose the correct answer from the options given below :

[5 Apr 2024 Shift 2]

(C) and (E) only
(A), (C) and (E) only
(A), (B), (C) and (E) only
(A) and (C) only

Validate

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