15:[["$","meta","0",{"name":"viewport","content":"width=device-width, initial-scale=1"}],["$","meta","1",{"charSet":"utf-8"}],["$","title","2",{"children":"The incorrect relationship in the following pairs in relation to ionisation enthalpies is : (A) Fe2+ < Fe3+ (B) Mn2+ < Fe2+ (C) Mn+ < Mn2+ (D) Mn+ < Cr+ | JEE Mains Chemistry Past Papers — Chem-Mantra | Chem-Mantra"}],["$","meta","3",{"name":"description","content":"JEE Mains Chemistry question on JEE Mains Chemistry Past Papers. Correct answer: B. Full explanation and similar questions on Chem-Mantra."}],["$","meta","4",{"name":"keywords","content":"JEE Mains Chemistry Past Papers,JEE Mains Chemistry,JEE Advanced Chemistry,NEET Chemistry,chemistry question,HARD,JEE_MAIN_PYQ_2025_04_4_S2_RESO,JEE_MAIN,JEE_MAINS_PYQ,JEE_MAIN_2025,Shift_2,Chemistry"}],["$","meta","5",{"name":"robots","content":"index, follow"}],["$","link","6",{"rel":"canonical","href":"https://www.chem-mantra.online/q/0519b6e6-e89f-4622-a08a-55d422ca72fd"}],["$","meta","7",{"property":"og:title","content":"The incorrect relationship in the following pairs in relation to ionisation enthalpies is : (A) Fe2+ < Fe3+ (B) Mn2+ < Fe2+ (C) Mn+ < Mn2+ (D) Mn+ < Cr+ — JEE Mains Chemistry Past Papers"}],["$","meta","8",{"property":"og:description","content":"JEE Mains Chemistry question on JEE Mains Chemistry Past Papers. Correct answer: B. Full explanation and similar questions on Chem-Mantra."}],["$","meta","9",{"property":"og:url","content":"https://www.chem-mantra.online/q/0519b6e6-e89f-4622-a08a-55d422ca72fd"}],["$","meta","10",{"property":"og:site_name","content":"Chem-Mantra"}],["$","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":"The incorrect relationship in the following pairs in relation to ionisation enthalpies is : (A) Fe2+ < Fe3+ (B) Mn2+ < Fe2+ (C) Mn+ < Mn2+ (D) Mn+ < Cr+ | JEE Mains Chemistry Past Papers — Chem-Mantra"}],["$","meta","16",{"name":"twitter:description","content":"JEE Mains Chemistry question on JEE Mains Chemistry Past Papers. Correct answer: B. Full explanation and similar questions on Chem-Mantra."}],["$","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"}]]

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