Chemistry-Atomic & Molecular Mass

NEET Chemistry Atomic & Molecular Mass Match the Following Question

Type: Match the Following-match the column-Hard-Class 11

Match Column-I with Column-II.

Column-I Column-II (a) Hydrogen atom mass in amu (i) 1.0078 amu (b) Oxygen-16 atom mass in amu (ii) 15.995 amu (c) Avogadro's number (iii) 6.022 × 10^23 (d) Unified mass (iv) amu replaced by u

Choose the correct matching:

A

a-i, b-ii, c-iii, d-iv

B

a-i, b-iv, c-ii, d-iii

C

a-ii, b-i, c-iv, d-iii

D

a-iii, b-ii, c-i, d-iv

Correct Answer

Option A

Detailed Explanation

The mass of hydrogen is accurately given as 1.0078 amu, the mass of oxygen-16 as 15.995 amu, Avogadro's number is 6.022 × 10^23, and the unified mass has replaced amu. All pairs in option A are correct according to the NCERT context.

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