iCON Education - Solid State BITSAT Test

Question 1: Palette 1/3

BITSAT 2023 MCQ

A compound formed by elements A and B crystallises in the cubic structure where A atoms are at the corners of a cube and B atoms are at the face centre. The formula of the compound is :

A

AB₃

B

A₂B

C

AB₂

D

A₂B₃

Question 2: Palette 2/3

BITSAT 2022 MCQ

Which compound has antifluorite structure?

A

MnO₄

B

Na₂O

C

Na₂O₂

D

Li₂O₂

Question 3: Palette 3/3

BITSAT 2020 MCQ

An element occurs in two crystalline forms $\alpha$ and $\beta$. The $\alpha$-form has an fcc with $a = 3.68\,\mathop A\limits^o $ and $\beta$ form has a bcc with $a = 2.92\,\mathop A\limits^o $. Calculate the ratio of their densities.

A

1 : 1

B

1 : 2

C

2 : 1

D

2 : 3