You visited us 1 times! Enjoying our articles? Unlock Full Access!

Oxides of Nitrogen

Aluminium is ...

Question

Aluminium is placed in the group 3A of periodic table. Hence the formula of its oxide is:

A l O_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

{A l}_{2} O_{3}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

A l O

No worries! We‘ve got your back. Try BYJU‘S free classes today!

{A l}_{3} O_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B ${A l}_{2} O_{3}$
The valency of aluminium is 3 and that of oxygen is 2 so cross multiplying the valencies we get $A l_{2} O_{3}$ .

Suggest Corrections

Similar questions

{A l}_{2} O_{3}

500^{o} C

\frac{2}{3} {A l}_{2} O_{3} \to \frac{4}{3} A l + O_{2}; Δ_{r} G = + 96 k J

{A l}_{2} O_{3}

500^{o} C

{A l}_{2} O_{3}

500^{o} C

\frac{2}{3} {A l}_{2} O_{3} \to \frac{4}{3} A l + O_{2}; Δ_{r} G = + 960 k J {m o l}^{- 1}

({A l}_{2} O_{3})

500^{o} C

{A l}_{2} O_{3}

500^{o} C

\frac{2}{3} {A l}_{2} O_{3} ⟶ \frac{4}{3} A l + O_{2};

Δ G = + 960 k J

{A l}_{2} O_{3}

500^{o} C

0.051 g

({A l}_{2} O_{3})

A l

O

A metal X is in the first group of the periodic table. What will be the formula of its oxide?

Join BYJU'S Learning Program