Hydrogen: NEET Chemistry Previous Year Questions

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

1. $Deionized water is obtained by passing hard water through$
2. $Given below are two statements : Statement I: H_{2} O_{2} is used in the synthesis of Cephalosporin Statement II : H_{2} O_{2} is used for the restoration of aerobic co\dots$
3. $The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are:$
4. $Which one of the following statements is incorrect ?$
5. $Given below are two statements: Statement I : Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions. Statement II: Density of hydrogen perox\dots$
6. $What is the change in the oxidation state of Mn in the reaction of MnO_{4}^{--} with H_{2} O_{2} in acidic medium?$
7. $High purity (>99.95%) dihydrogen is obtained by$
8. $O-O bond length in H_{2} O_{2} is X than the O-O bond length in F_{2} O_{2} . The O - H bond length in H_{2} O_{2} is Y than that of the O-F bond in F_{2} O_{2} . Choos\dots$
9. $The compound used as a moderator in nuclear reactors is$
10. $The temporary hardness of a water sample is due to compound X . Boiling this sample converts X to compound Y . X and Y, respectively, are:$
11. $Which of the following ions will cause hardness in water?$
12. $The number of H_{2} O molecules participating in hydrogen bonding in CuSO_{4} \cdot 5 H_{2} O is/are$
13. $Identify the correct statements about the hydrides. (I) In saline hydrides oxidation state of hydrogen is +1 (II) LaH is an example of interstitial hydride (III\dots$
14. $Given below are two statements: Statement I : H_{2} O_{2} can act as both oxidising and reducing agent in basic medium. Statement I I : In the hydrogen economy, t\dots$
15. $The total number of isotopes of hydrogen and number of radioactive isotopes among, them$
16. $Which of the following correctly represents copper sulphate pentahydrate?$
17. $Decreasing order of the hydrogen bonding in following forms of water is correctly represented by A. Liquid water B. Ice C. Impure water$
18. $Which of the following equation depicts the oxidizing nature of H_{2} O_{2} ?$
19. $The chemical nature of hydrogen peroxide is:$
20. $The single largest industrial application of dihydrogen is :$
21. $Calgonis used for water treatment. Which of the following statement is NOT true about calgon?$
22. $The synonym for water gas when used in the production of methanol is:$
23. $How many millilitres of 20 volume H_{2} O_{2} solution is needed to react completely with 500 mL of acidified 1 N KMnO_{4} solution?$
24. $In basic medium, H_{2} O_{2} exhibits which of the following reactions? (A) Mn^{2 +} \to Mn^{4 +} (B) \dots$
25. $Deuterium resembles hydrogen in properties but :$

Download Hydrogen PYQs as PDF

Free questions PDF, 30 questions per set, with the Mere Teacher watermark and a QR code to the site. Answers and step-by-step solutions open after a free sign-up, with a download option too.

See all 136 Hydrogen questions, free

Sign up free to practise them in your own custom test, with Concept Priority Question Bank, Test Series and BroBot AI help.

New here? See what Mere Teacher offers

Hydrogen: NEET Chemistry Previous Year Questions

Download Hydrogen PYQs as PDF

More NEET Chemistry chapters