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Chemistry · 2023 · 1 mark
Coordination CompoundsDefinitions of Some Important Terms Pertaining to Coordination Compounds1 markUnderstandassertion reason
CBSE 2023 · Region 5 · Set 3 · Q18
Assertion (A): [ Co ( NH_3)_5 SO_4] C l gives a white precipitate with silver nitrate solution. Reason (R): The complex dissociates to give Cl^- and…
Assertion (A) : $\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{SO}_{4}\right] \mathrm{C} l$ gives a white precipitate with silver nitrate solution.
Reason (R) : The complex dissociates to give $\displaystyle \mathrm{Cl}^{-}$and $\displaystyle \mathrm{SO}_{4}{ }^{2-}$ ions.
Official answer
(C)
Assertion (A) is true, but Reason (R) is false.
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.