CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The most abundant elements by mass in the body of a healthy human adult are oxygen (61.4%), carbon (22.9%), hydrogen (10.0%) and Nitrogen (2.6%). The weight which a 75 kg person would gain if all the 1H atoms are replaced by 2H atoms is:

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

The correct option is C 7.5 kg
H is 10% by mass
H is 7.5 kg.
It is replaced by 2H, so weight is doubled i.e., 15 kg
7.5 kg increase in weight will be observed

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon