Chemistry · 2021
JEE Main · 24 February 2021, Shift 2 · Q36
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Hydrogen is the most abundant…
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Hydrogen is the most abundant element in the Universe, but it is not the most abundant gas in the troposphere.
Reason R : Hydrogen is the lightest element.
In the light of the above statements, choose the correct answer from the options given below :
Official answer
(1)
Both A and R are true and R is the correct explanation of A
More from Hydrogen
- The reaction of H_2 O_2 with potassium permanganate in acidic medium leads to the formation of mainly:2022
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Isotopes of hydrogen have almost…2023
- Given below are two statements: Statement I: Permutit process is more efficient compared to the synthetic resin method for the softening of water.…2023
- The strength of 50 volume solution of hydrogen peroxide is ____ g/L (Nearest integer). Given: Molar mass of H_2 O_2 is 34 g mol^-1 Molar volume of…2023
- Consider the following reaction: 2 HSO_4^-(aq) →[ (2) Hydrolysis ] (1) Electrolysis 2 HSO_4^-+2 H^++A The dihedral angle in product A in its solid…2022
- Addition of H_2 SO_4 to BaO_2 produces:2022
- High purity (>99.95\%) dihydrogen is obtained by2022
- In an ice crystal, each water molecule is hydrogen bonded to ____ neighbouring molecules.2023
JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.