Column-I Column-II
A) 1.2g of carbon P) 4.8 × 10²³ atoms
B) 32 g of O₂ Q) 9.034 × 10²³ atoms
C) 11.2 L CO₂ at S.T.P. R) 0.1 moles
D) 0.2 moles NH₃ S) 9.64 × 10²⁴ electrons
A B C D
1) R S Q P
2) P Q R S
S R P S Q
4) S R Q P

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answer is A.

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Detailed Solution

A) 1.2g C $\Rightarrow$ 0.1 moles
B) 32g O₂ $\Rightarrow$ 1mole = 6 × 10²³ × atoms
= 12 × 8 × 10²³ e^–
C) 11.2L CO₂
$\Rightarrow$ 1/2mole = 1/2 × 6 × 10²³ × 3atoms
D) 0.2 moles NH₃ = 0.2 × 6 × 10²³ × 4 atoms

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