Search any question & find its solution
Question:
Answered & Verified by Expert
Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is ______.
B, C, N, S, O, F, P, Al, Si
Options:
B, C, N, S, O, F, P, Al, Si
Solution:
2661 Upvotes
Verified Answer
The correct answer is:
3
$\mathrm{N}, \mathrm{O}, \mathrm{F}$ can't extend their valencies upto their group number due to the non-availability of vacant $2 \mathrm{~d}$ like orbital.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.