JEE Main 2022 · 28 Jun · Shift 2 · Chemistry Q69

ChemistrySingle correct+4 / -1Question 69 of 90

Among the following, basic oxide is :

\mathrm{SO_3}

\mathrm{SiO_2}

CaO

\mathrm{Al_2O_3}

Answer and worked solution

Official answer: C

CaO is basic; $\mathrm{SO_3}$ and $\mathrm{SiO_2}$ are acidic, $\mathrm{Al_2O_3}$ amphoteric.

(C)

Topics:Periodic trends in properties

JEE Main 2022 · 28 Jun · Shift 2, Chemistry question 69