which of the following order is wrong 1.NH3 < PH3 < AsH3- acidic nature 2.Li+ < Na + K+ < Cs+ - ionic radius 3.Al2O3 < MgO < Na2O < K2O - basic 4.Li < Be < B < C - 1stionisation potential Share with your friends Share 3 Gouri Nangliya answered this PLEASE ANS THIS QUESTION. 1 View Full Answer Aditya answered this Answer is 'd' but how? 0 Anshul answered this Answer b is correct 0 Punyasha Nayak answered this Option 4 is the ans 0 Dishanwita answered this ionization energy increases across the group so answer is d 0 Pratyaksh answered this Please find the attachment for the answer 0