Chemistry · Group 13 Elements
Consider the following statements regarding group 13 elements: (A) The decreasing order of atomic radii is Tl > In > Al > Ga > B. (B) Down group 13, electronegativity decreases from top to bottom continuously. (C) Al dissolves in dil. HCl to liberate H2, but conc. HNO3 renders Al passive. (D) All elements of group 13 exhibit a highly stable +1 oxidation state. (E) Hybridisation of Al in [Al(H2O)6]3+ ion is sp3}d2. Which of the following options contains only the correct statements?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A) and (C) only
- 2(A), (B), (C) and (E) only
- 3(A), (C) and (E) only
- 4(C) and (E) only✓
Correct answer
(C) and (E) only
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