(A) Statement-$I$: $Al_2O_3$ is a well-known amphoteric oxide,meaning it reacts with both acids and bases. This statement is correct.Statement-$II$: A

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Both statement-$I$ and statement-$II$ are correct

(A) Statement-$I$: $Al_2O_3$ is a well-known amphoteric oxide,meaning it reacts with both acids and bases. This statement is correct.Statement-$II$: As we move down the group $13$ (Boron family),the metallic character increases,and the basic character of oxides increases. Therefore,$Tl_2O_3$ (thallium oxide) is more basic than $Ga_2O_3$ (gallium oxide). This statement is also correct.Thus,both statements are correct.

Class 12 Chemistry p-Block Elements (Class 12)Nitrogen family

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Consider the following:
Statement-$I$ : $Al_2O_3$ is amphoteric in nature.
Statement-$II$ : $Tl_2O_3$ is more basic than $Ga_2O_3$.
The correct answer is

AP EAMCET 2025 All AP EAMCET

A
Both statement-$I$ and statement-$II$ are correct
B
Both statement-$I$ and statement-$II$ are not correct
C
Statement-$I$ is correct,but statement-$II$ is not correct
D
Statement-$I$ is not correct,but statement-$II$ is correct

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p-Block Elements (Class 12)

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Nitrogen family

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Which of the following oxides is the least acidic?

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Reaction of thionyl chloride with white phosphorus forms a compound $[A]$,which on hydrolysis gives $[B]$,a dibasic acid. $[A]$ and $[B]$ are respectively

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The correct order of reducing abilities of hydrides of $V$ group elements is

EasyTS EAMCET 2008

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Which element in the $N$ family (Group $15$) has the minimum ionic radius for its $M^{3-}$ ion?

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$NaH_2PO_4$ $\xrightarrow{230^\circ C}$ $Na_3P_3O_9$ $\xrightarrow{638^\circ C}$ $(NaPO_3)_n$ $\rightarrow D$ (glossy solid).
Compound $D$ is sodium hexametaphosphate,which is known as:

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Consider the following:Statement-$I$ : $Al_2O_3$ is amphoteric in nature.Statement-$II$ : $Tl_2O_3$ is more basic than $Ga_2O_3$.The correct answer is

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Which of the following oxides is the least acidic?

Reaction of thionyl chloride with white phosphorus forms a compound $[A]$,which on hydrolysis gives $[B]$,a dibasic acid. $[A]$ and $[B]$ are respectively

The correct order of reducing abilities of hydrides of $V$ group elements is

Which element in the $N$ family (Group $15$) has the minimum ionic radius for its $M^{3-}$ ion?

$NaH_2PO_4$ $\xrightarrow{230^\circ C}$ $Na_3P_3O_9$ $\xrightarrow{638^\circ C}$ $(NaPO_3)_n$ $\rightarrow D$ (glossy solid).Compound $D$ is sodium hexametaphosphate,which is known as:

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Consider the following:
Statement-$I$ : $Al_2O_3$ is amphoteric in nature.
Statement-$II$ : $Tl_2O_3$ is more basic than $Ga_2O_3$.
The correct answer is

$NaH_2PO_4$ $\xrightarrow{230^\circ C}$ $Na_3P_3O_9$ $\xrightarrow{638^\circ C}$ $(NaPO_3)_n$ $\rightarrow D$ (glossy solid).
Compound $D$ is sodium hexametaphosphate,which is known as: