The value of 'n' in [Pn O₁₈]⁶⁻ is ____ · ABC26IN0726

Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Noble Gas Chemistry · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium

The value of 'n' in $\left[\mathrm{P}_{\mathrm{n}} \mathrm{O}_{18}\right]^{6-}$ is ____

Answer

SELF-PRACTICE — the source book printed no answer.

Nothing is invented here, so this question has no answer on record.

Explanation

Answer: 6 — Cyclic metaphosphate (PO₃)ₙⁿ⁻: n(+5) + 18(−2) = −6 → n = 6 (hexametaphosphate, P₆O₁₈⁶⁻).

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