Chemistry · 2024
JEE Main · 5 April 2024, Shift 2 · Q68
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…
The correct statements from the following are :
(A)
The decreasing order of atomic radii of group $\displaystyle 13$ elements is $\displaystyle \mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}$.
(B)
Down the group $\displaystyle 13$ electronegativity decreases from top to bottom.
(C)
Al dissolves in dil. HCl and liberates $\displaystyle \mathrm{H}_2$ but conc. $\displaystyle \mathrm{HNO}_3$ renders Al passive by forming a protective oxide layer on the surface.
(D)
All elements of group $\displaystyle 13$ exhibits highly stable +$\displaystyle 1$ oxidation state.
(E)
Hybridisation of Al in $\displaystyle \left[\mathrm{Al}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ ion is $\displaystyle \mathrm{sp}^3 \mathrm{~d}^2$.
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(2)
(C) and (E) only
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JEE Main 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.