Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 201911 JanuaryMorning Shift
Exam
JEE Main
Year
2019
Date
11 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Hydrogen

JEE Main 2019 · 11 January · Morning Shift · Chemistry · Hydrogen

The correct statements among (a) to (d) regarding H_ 2 as a fuel...

The correct statements among (a) to (d) regarding H2\mathrm{H}_{2} as a fuel are : (i) It produces less pollutants than petrol. (ii) A cylinder of compressed dihydrogen weighs ∼30\sim 30 times more than a petrol tank producing the same amount of energy. (iii) Dihydrogen is stored in tanks of metal alloys like NaNi5\mathrm{NaNi}_{5} (iv) On combustion, values of energy released per gram of liquid dihydrogen and LPG are 50 and 142 kJ,142 \mathrm{~kJ}, respectively.

Options

  1. A(ii)and(iv)only(ii) and (iv) only
  2. B(i)and(iii)only(i) and (iii) only
  3. C(ii),(iii)and(iv)only(ii), (iii) and (iv) only
  4. D(i),(ii)and(iii)only(i), (ii) and (iii) only

Correct answer

D. (i),(ii)and(iii)only(i), (ii) and (iii) only

Step-by-step solution

option (i), (ii) and (iii) are correct.
Practice Hydrogen on Quantrex Academy →

More from Hydrogen

The mass of iron converted into Fe_3O_4 by the action of 18 g of steam is : (Given… JEE Main 2026During water-gas shift reaction JEE Main 2023Given below are two statements, one is labelled as Assertion A and the other is labelled… JEE Main 2023Given below are two statements: Statement I: Permutit process is more efficient compared… JEE Main 2023Match List I with List II List I Type of Hydride List II Example A Electron deficient… JEE Main 2023Which hydride among the following is less stable? JEE Main 2023Given below are two statements: one is labelled as Assertion A and the other is labelled… JEE Main 2023Given below are two reactions, involved in the commercial production of dihydrogen ( H _… JEE Main 2023 Full Hydrogen list All JEE Main PYQs