[" According to Fajans rule "],[" covalent bond is favoured "],[" by "]

According to Fajan rule, the covalent bond is favored by :

According to Fazan rule, the covalent bond is favoured by :

According to Fajan's rules covalent bonding is favourable by

Which of the following statements is wrong ? According to Fazan's rules, the covalent character is facoured by :

According to Fajan's rule polarisation is more when: