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Are the two compounds same? Also, which one is considered bleaching powder? Please explain their differences on the basis of their structures also.

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    $\begingroup$ Apart that the formulae are certainly different. $\endgroup$
    – Alchimista
    Commented Apr 17, 2021 at 9:19
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    $\begingroup$ People do not hesitate to ask questions like "Are 1 and 2 the same or different ?", if it is in context of chemistry. $\endgroup$
    – Poutnik
    Commented Apr 17, 2021 at 9:28
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    $\begingroup$ CaOCl2 is incorrect notation as it implies Calcium in +4 oxidation state which does not occur. $\endgroup$
    – Waylander
    Commented Apr 17, 2021 at 9:42
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    $\begingroup$ @Waylander As a summary formula, it would be correct, unless IUPAC prefers other element order, like CaCl2O. $\endgroup$
    – Poutnik
    Commented Apr 17, 2021 at 10:25

1 Answer 1

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$\ce{CaOCl2}$ is a calcium chloride hypochlorite. There are two different types of anions: chloride $\ce{Cl-}$ and hypochlorite $\ce{ClO-}$. So its structure is:

enter image description here

$\ce{Ca(ClO)2}$ is a calcium hypochlorite (also called bleaching powder or bleach). There is only one type of anions: hypochlorites $\ce{ClO-}$. So its structure is:

enter image description here

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    $\begingroup$ They are not covalent compounds. Note that bleaching powder is complex mixture of calcium hydroxide and basic calcium chlorides and hypochlorites. en.wikipedia.org/wiki/Calcium_hypochlorite $\endgroup$
    – Poutnik
    Commented Apr 17, 2021 at 11:41
  • $\begingroup$ These "structures" are nonsense and have little to do with reality. $\endgroup$
    – andselisk
    Commented Apr 18, 2021 at 10:32
  • $\begingroup$ Of course, these structures are drawn by me just for clarity. $\endgroup$
    – Exeplone
    Commented Apr 18, 2021 at 10:34
  • $\begingroup$ Could you please send here the right structures of these compounds? $\endgroup$
    – Exeplone
    Commented Apr 18, 2021 at 10:37

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