1it wil be MBr3.
coz the element M is in group 3 as there is a great hike in IP after third IP... so 4th electron must be very stable ...may be it completes octet...
dunno if i could explain you...
srinath explained me nicely once....
Successive ionisation potentials of an element M are 8.3,25.1,37.9,259.3 and 340.1ev. The formula of its Bromide is _?
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3 Answers
11if u dun understand my reply,.
read the post by srinath in http://www.targetiit.com/iit_jee_forum/posts/atomic_structure_218.html...