Which one is the most likely structure of CrCl3. 6H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3__________.

Which one is the most likely structure of CrCl3. 6H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3___________.

(a) CrCl3. 6H2O

(b) [Cr(H2O)3 Cl3]. (H2O)3

(c) [CrCl2(H2O)4] Cl . 2H2O

(d) [CrCl (H2O)5] Cl2 .H2O

Expert Solution

Answer : (c) [CrCl2(H2O)4] Cl . 2H2O

Explanation :

According to Werner theory for co-ordination compounds primary valency are ionizable and 1/3 of total chlorine of the compound is precipitated by addition of AgNO3 to its aqueous solution so only one chloride ion is available for ionization, so compound is [CrCl2(H2O)4] Cl.2H2O.

(c) [CrCl2(H2O)4] Cl . 2H2O

Rakesh answered 3 years ago

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