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

Which of the following cations is detected by the flame test?

A
NH4+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
K+
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Mg2+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Al3+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D K+
We use flame tests are used to identify small number of metal ions in compounds. When electrons gain energy and jump into any of the empty orbitals at higher levels then they give a characteristic flame by absorbing the energy.
Here, the correct option is (b).
Only K+ cations give flame test while NH+4,Mg2+,Al3+ does not.

117549_119975_ans.jpg

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Identification test for Salts
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon