Among the following oxide of p - block elements, number of oxides having amphoteric nature is $\mathrm{Cl}_{2}\mathrm{O}_{7}, \mathrm{CO}, \mathrm{PbO}_{2}, \mathrm{~N}_{2}\mathrm{O}, \mathrm{NO}, \mathrm{Al}_{2}\mathrm{O}_{3}, \mathrm{SiO}_{2}, \mathrm{~N}_{2}\mathrm{O}_{5}, \mathrm{SnO}_{2}$

JEE Main · 2024 · 01 Feb 2024 · Shift 1 · p-Block Elements

Among the following oxide of p - block elements, number of oxides having amphoteric nature is

Cl_{2} O_{7}, CO, PbO_{2}, N_{2} O, NO, Al_{2} O_{3}, SiO_{2}, N_{2} O_{5}, SnO_{2}

Answer: 3

Solution

Classifying each oxide: Cl

_{2}

_{7}

(acidic), CO (neutral), PbO

_{2}

(amphoteric), N

_{2}

O (neutral), NO (neutral), Al

_{2}

_{3}

(amphoteric), SiO

_{2}

(acidic), N

_{2}

_{5}

(acidic), SnO

_{2}

(amphoteric).
Amphoteric oxides: PbO

_{2}

, Al

_{2}

_{3}

, SnO

_{2}

— a total of 3.

JEE Main · 2024 · 01 Feb 2024 · Shift 1 · Integer answer

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