15:[["$","meta","0",{"name":"viewport","content":"width=device-width, initial-scale=1"}],["$","meta","1",{"charSet":"utf-8"}],["$","title","2",{"children":"According to Slater's rule, correct order of Zeff. on valence shell electron is : | Periodic Table and Periodicity — Chem-Mantra | Chem-Mantra"}],["$","meta","3",{"name":"description","content":"(a) Fe < Fe2+ < Fe3+ (Zeff proportional to charge on cation) (b) N3- < O2- < F- (Zeff proportional to 1/Charge on anion) — Full solution with explanation. Practice Periodic Table and Periodicity questions for JEE Mains Chemistry on Chem-Mantra."}],["$","meta","4",{"name":"keywords","content":"Periodic Table and Periodicity,JEE Mains Chemistry,JEE Advanced Chemistry,NEET Chemistry,chemistry question,HARD,Ionisation Energy,VKJ,VK_Jaiswal"}],["$","meta","5",{"name":"robots","content":"index, follow"}],["$","link","6",{"rel":"canonical","href":"https://www.chem-mantra.online/q/8e25ad5240c54ec08c27c32ce"}],["$","meta","7",{"property":"og:title","content":"According to Slater's rule, correct order of Zeff. on valence shell electron is : — Periodic Table and Periodicity"}],["$","meta","8",{"property":"og:description","content":"(a) Fe < Fe2+ < Fe3+ (Zeff proportional to charge on cation) (b) N3- < O2- < F- (Zeff proportional to 1/Charge on anion) — Full solution with explanation. Practice Periodic Table and Periodicity questions for JEE Mains Chemistry on Chem-Mantra."}],["$","meta","9",{"property":"og:url","content":"https://www.chem-mantra.online/q/8e25ad5240c54ec08c27c32ce"}],["$","meta","10",{"property":"og:site_name","content":"Chem-Mantra"}],["$","meta","11",{"property":"og:image","content":"https://www.chem-mantra.online/logo.png"}],["$","meta","12",{"property":"og:image:alt","content":"Chem-Mantra Chemistry"}],["$","meta","13",{"property":"og:type","content":"article"}],["$","meta","14",{"name":"twitter:card","content":"summary_large_image"}],["$","meta","15",{"name":"twitter:title","content":"According to Slater's rule, correct order of Zeff. on valence shell electron is : | Periodic Table and Periodicity — Chem-Mantra"}],["$","meta","16",{"name":"twitter:description","content":"(a) Fe < Fe2+ < Fe3+ (Zeff proportional to charge on cation) (b) N3- < O2- < F- (Zeff proportional to 1/Charge on anion) — Full solution with explanation. Practice Periodic Table and Periodicity questions for JEE Mains Chemistry on Chem-Mantra."}],["$","meta","17",{"name":"twitter:image","content":"https://www.chem-mantra.online/logo.png"}],["$","meta","18",{"name":"twitter:image:alt","content":"Chem-Mantra Chemistry"}],["$","link","19",{"rel":"shortcut icon","href":"/favicon-32.png"}],["$","link","20",{"rel":"icon","href":"/favicon-32.png","sizes":"32x32","type":"image/png"}],["$","link","21",{"rel":"icon","href":"/favicon-64.png","sizes":"64x64","type":"image/png"}],["$","link","22",{"rel":"icon","href":"/favicon-180.png","sizes":"180x180","type":"image/png"}],["$","link","23",{"rel":"apple-touch-icon","href":"/favicon-180.png"}],["$","meta","24",{"name":"next-size-adjust"}]]

💡 Solution & Explanation

Practice 22,000+ questions like this