Which of the following order is wrong?
—acidic
IP
—basic
—ionic radius.
Text Solution
Verified by ExpertsB
Li, Be, 
‐ these elements belong to the same period. Generally the value of 1st ionisation potential increases in moving fr om left to right in a period, since the nuclear charge of the elements also increase in the same direction. But the ionisation potential of boron 
is lower than that of beryllium 
, since in case of boron, 
electron have to be removed to get 
while in case of Be, 
electron have to be removed to get 
. 
electron can be removed more easily than 
electron so the energy required to remove electron will be less in case of boron. The order will be Li 
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