https://chemistrytutorsarvan.in/2026/06/23/48-given-below-are-two-statementsstatement-i-heating-nacl-with-concentrated-h%e2%82%82so%e2%82%84-and-mno%e2%82%82-results-in-oxidation-of-mn-statement-ii-heating-nai-with-concentrated-h%e2%82%82s/Sarvan sir- Chemistry For Allen2026-06-23T05:41:21+00:0048. Given below are two statements:Statement-I: Heating NaCl with concentrated H₂SO₄ and MnO₂ results in oxidation of Mn Statement-II: Heating NaI with concentrated H₂SO₄ and MnO₂ results in reduction of Mn.https://chemistrytutorsarvan.in/2026/06/23/the-standard-electrode-potential-e%e2%88%98e%e2%88%98-for-the-half-cell-reaction-fe3e%e2%88%92%e2%86%92fe2fe3e%e2%88%92%e2%86%92fe2-at-298-k298-k-isgiven-e/Sarvan sir- Chemistry For Allen2026-06-23T05:23:16+00:00The standard electrode potential (E∘E∘) for the half-cell reaction Fe3++e−→Fe2+Fe3++e−→Fe2+ at 298 K298 K is(Given: E∘(Fe3+/Fe)=−0.04 VE∘(Fe3+/Fe)=−0.04 V and E∘(Fe2+/Fe)=−0.44 VE∘(Fe2+/Fe)=−0.44 V at 298 K298 K)Standard Electrode Potential, Fe3+ Fe2+ System, Electrochemistry, Nernst Equation, Redox Reactionshttps://chemistrytutorsarvan.in/2026/06/23/the-lanthanide-ion-having-four-unpaired-electrons-isgiven-atomic-numbers-of-ce-58-nd-60-tb-65-and-ho-67/Sarvan sir- Chemistry For Allen2026-06-23T05:11:29+00:00The lanthanide ion having four unpaired electrons is(Given : Atomic numbers of Ce = 58, Nd = 60, Tb = 65 and Ho = 67)f Block Elements, Unpaired Electrons, NEET 2026 Chemistry, Electronic Configuration, Lanthanides, Rare Earth Elements