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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-IColumn-II
(a) 1 mol of water molecules(i) 6.022 × 10^23 formula units of sodium chloride
(b) 1 mol of hydrogen atoms(ii) 6.022 × 10^23 atoms
(c) 1 mol of sodium chloride(iii) 6.022 × 10^23 water molecules
(d) 1 mol of carbon dioxide(iv) 6.022 × 10^23 molecules
A

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

B

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

C

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

D

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

Correct Answer

Option A

Detailed Explanation

1 mol of any substance contains Avogadro's number of entities. Therefore, 1 mol of water molecules corresponds to 6.022 × 10^23 water molecules, and similarly for hydrogen atoms and sodium chloride, as given in the NCERT context.

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