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Match the following.
COLUMN-I COLUMN-II (Remark)
A) Avogadro number P) One mole of electrons in $π$ - molecular orbitals
B) 0.50 mole of Homo diatomic molecule (each molecule with 10 protons and 13 neutrons) Q) Exactly Number of atoms in 12g of $C^{12}$ sample according to modern definition
C) Mole R) Atoms in 2 grams of di-deuterium $(D_{2})$ sample (approximately)
D) Number of atoms in 1 mole of dihydrogen S) SI Unit of amount
T) Exactly same as number of atoms in 0.25 moles of $H_{3} P O_{4}$

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$A - P Q R, B - P, C - S, D - T$

$A - P Q R, B - Q, C - Q S, D - T$

$A - P Q R, B - Q, C - P S, D - Q T$

$A - P R, B - P, C - S, D - T$

answer is D.

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Detailed Solution

Avogadro number is not exactly number of atoms in 12 g of carbon in modern definition

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