wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Empirical formula of a compound A2B4. If its empirical formula weight is half of its vapour density. Determine the molecular formula of the compound.

A
A4B8
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
A8B16
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
A2B4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
A3B6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B A8B16
For the compound, A2B4,

Empirical weight =12× V.D
where, V.D= Vapour density

Also, molecular weight =2× V.D

Molecular weight =2× 2× Empirical weight =4× Empirical weight

n=4
Hence, the molecular formula is (A2B4)4=A8B16.

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Percentage Composition and Molecular Formula
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon