jee-main 2025 Q42

jee-main · India · session2_03apr_shift1 Not Maths
Q42. The reaction at cathode in the cells commonly used in clocks involves.
(1) reduction of Mn from + 7 to + 2
(2) reduction of Mn from + 4 to + 3
(3) oxidation of Mn from + 3 to + 4
(4) oxidation of Mn from +2 to +7 
Q42. The reaction at cathode in the cells commonly used in clocks involves.\\
(1) reduction of Mn from + 7 to + 2\\
(2) reduction of Mn from + 4 to + 3\\
(3) oxidation of Mn from + 3 to + 4\\
(4) oxidation of Mn from +2 to +7
Paper Questions
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q52 Q53 Q54 Q55 Q56 Q57 Q58 Q59 Q61 Q62 Q63 Q64 Q65 Q66 Q67 Q68 Q69 Q70 Q71 Q72 Q73 Q74 Q75 Q76 Q77 Q78 Q79 Q80 Q81 Q82 Q83 Q84 Q85 Q86 Q87 Q88 Q89 Q90