The number of electrons in of ions is: | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

Name: JEE Advanced Chemistry
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Question

The number of electrons in $1 \text{ mole}$ of $OH^-$ ions is:

Answer: B

💡 Solution & Explanation

$OH^-$ has $8 (O) + 1 (H) + 1 (\text{charge}) = 10$ electrons per ion. <br>Total electrons $= 1 \times 10 \times N_A = 6.022 \times 10^{24}$.

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