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

Sodium extract is heated with concentrated HNO3 before testing for halogens because:

A
Ag2S and AgCN are soluble in acidic medium.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
silver halides are totally insoluble in nitric acid.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
S2 and CN, if present, are decomposed by conc. HNO3 and hence do not interfere in the test.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Ag reacts faster with halides in acidic medium.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A S2 and CN, if present, are decomposed by conc. HNO3 and hence do not interfere in the test.
Sodium extract is heated with concentrated HNO3 before testing for halogens because S2 and CN ions if present are decomposed by conc. HNO3 and hence do not interfere in the test.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Periodic Properties
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon