Redox Reactions: NEET Chemistry Previous Year Questions

123 previous year questions from Redox Reactions. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $(A) HOCL + H_{2} O_{2} \to H_{3} O^{+} + C l^{-} + O_{2} (B) I_{2} + H_{2} O_{2} + 2 O H^{-} \to 2 I^{-} + 2 H_{2} O + O_{2} Choose the correct optio\dots$
2. $Which of the following statement is incorrect?$
3. $The species given below that does NOT show disproportionation reaction is:$
4. $K M n O_{4} oxidises I^{-} in acidic and neutral/faintly alkaline solution, respectively to$
5. $Compounds that should not be used as primary standards in titrimetric analysis are(redox) (A) Na_{2} Cr_{2} O_{7} (B) Oxalic acid(C) NaOH(D)\dots$
6. $In acidic medium, K_{2} Cr_{2} O_{7} shows oxidising action as represented in the half reaction\dots$
7. $In which of the following cases a chemical reaction is possible?$
8. $The brown ring test for nitrates depends on$
9. $The number of moles of electron required to reduce 0.2 mole of Cr_{2} O_{7}^{2 -} to Cr^{+ 3}$
10. $The oxidation state of iron in K_{4} (Fe (CN)_{6}) is$
11. $The volume of 0. 02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba (O H)_{2} is (Assume complete neutralization)$
12. $Among the following halogens F_{2}, Cl_{2}, Br_{2} and I_{2} Which can undergo disproportionation reactions?$
13. $What is the oxidation state of carbon in CaC_{2} and K_{2} C_{2} O_{4} respectively?$
14. $The following reaction occurs in acidic medium KMnO_{4} + 8 H^{+} + 5 e^{-} ⟶ K^{+} + Mn^{2 +} + 4 H_{2} O What is the equivalent weight of\dots$
15. $Consider the following reduction processes: Z n^{2 +} + 2 e^{-} \to Zn (s); E ° = - 0.76 V \dots$
16. $The exact volumes of 1 MNaOH solution required to neutralise 50 mL of 1 MH_{3} PO_{3} solution and 100 mL of\dots$
17. $The number of moles of ferrous exalate oxidised by one mole of KMnO_{4} in acidic medium is$
18. $Which among the following species acts as a self indicator?$
19. $Which among the following species is reduced by tin easily?$
20. $The oxidation number of an element in a compound is evaluated on the basis of certain rules. Which of the following rules is not correct? 1.The oxidation number of hydrog\dots$
21. $An indicator^{C} X' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with H_{2} O_{2} at room temp. The\dots$
22. $In neutral or faintly alkaline medium, MnO_{4}^{-} oxidizes I^{-} to iodate. What is the volume (in L) of 0.02 M KMnO_{4} required to complet\dots$
23. $Common oxidation state of f -block elements is III. The other stable oxidation states of^{63} Eu and^{65} Tb are respectively$
24. $Oxidation numbers of P in P O_{4}^{3 -}, of S in S O_{4}^{2 -} and that of Cr in C r_{2} O_{7}^{2 -} are respectively$
25. $Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Phenolphthalein is a pH dependent indicator, remains c\dots$

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Redox Reactions: NEET Chemistry Previous Year Questions

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