Give increasing order of group $13$ elements for atomic radius.
Give increasing order of group $13$ elements for atomic radius.
The increasing order of atomic radius of group $13$ elements is as follows: $\mathrm{B}<\mathrm{Al}>\mathrm{Ga}<$ In $<\mathrm{Tl}$.
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Which of the following oxides is acidic in nature?
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White fumes appear around the bottle of anhydrous aluminium chloride. Give reason.
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Correct match is :
Correct match is :
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A group $13$ element $'X'$ reacts with chlorine gas to produce a compound $XCl_3. XCl_3$ is electron deficient and easily reacts with $NH_3$ to form $Cl_3X \leftarrow NH_3$ adduct, however, $XCl_3$ does not dimerize. $X$ is
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