Chemistry · 2023
JEE Main · 10 April 2023, Shift 1 · Q80
Prolonged heating is avoided during the preparation of ferrous ammonium sulphate to
Prolonged heating is avoided during the preparation of ferrous ammonium sulphate to
Official answer
From NTA’s final answer key for this paper.
(4)
prevent oxidation
More from d- and f-Block Elements
- The number of element from the following that do not belong to lanthanoids is Eu, Cm, Er, Tb, Yb and Lu2024
- In alkaline medium, the reduction of permanganate anion involves a gain of ____ electrons.2023
- Arrange the following elements in the increasing order of number of unpaired electrons in it. Sc Cr V Ti (E) Mn Choose the correct answer from the…2024
- Which of the following statements are correct about Zn, Cd and Hg? A. They exhibit high enthalpy of atomization as the d-subshell is full. B. Zn and…2024
- Which of the following oxidation reactions are carried out by both K_2 Cr_2 O_7 and KMnO_4 in acidic medium? A. I^- → I_2 B. S^2- → S C. Fe^2+ →…2025
- Alkaline oxidative fusion of MnO_2 gives " A " which on electrolytic oxidation in alkaline solution produces B. A and B respectively are2024
- Identity the incorrect pair from the following:2024
- Given below are two statements: Statement I: The number of pairs among [Ti^4+, V^2+],[V^2+, Mn^2+],[Mn^2+, Fe^3+] and [V^2+, Cr^2+] in which both…2026
JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.