Calgon used for water softening is Na2 [Na4 (PO3 )6 ] and it is prepared by heating microcosmic salt. The microcosmic salt is:

ABC26IN0704 · Main Group Elements

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

Calgon used for water softening is $\mathrm{Na}_{2}\left[\mathrm{Na}_{4}\left(\mathrm{PO}_{3}\right)_{6}\right]$ and it is prepared by heating microcosmic salt. The microcosmic salt is:

(a)$\mathrm{Na}_{2} \mathrm{HPO}_{3}$

(b)$\mathrm{NaH}_{2} \mathrm{PO}_{4}$

(c)$\mathrm{Na}_{2} \mathrm{HPO}_{4}$

(d)$\mathrm{Na}\left(\mathrm{NH}_{4}\right) \mathrm{HPO}_{4}$

Answer

Answer (as printed): D

Explanation

No explanation was printed for this question.

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