WBJEE 2022 Physics and Chemistry Paper

Hint : Let two oxide be M2Ox and M2Oy
As per question
‌

2a

16x

=‌

25

4

‌ and ‌‌

2a

16y

=‌

25

6

x=‌

a

50

,y=‌

3a

100

where a= atomic mass of Metal
As x and y to be an integer,
If we take a=50, then x=1,y=1.5 (not possible)
If we take a=100 then x=2,y=3 (possible)
∴ Minimum Atomic Mass =100u