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BITSAT Chemistry Coordination Compounds 2024 BITSAT 2024 (Memory Based Paper 2)

BITSAT Chemistry Question (2024) — Solution

Question

The type of isomerism present in nitropentammine chromium (III) chloride is

Options

  1. A. optical
  2. B. linkage
  3. C. ionization
  4. D. polymerisation.

Answer

B. linkage

Step-by-step solution

The chemical formula of nitropenta ammine chromium(III) chloride is: [ Cr ( NH _3 )_5 ( NO _2 ) ] Cl _2 It can exist in following two structures [ Cr ( NH _3 )_5 ( NO _2 ) ] Cl _2 and Pentaamminenitrochromium (III) chloride [ Cr ( NH _3 )_5 ONO ] Cl _2 Pentaamminenitritochromium (III) chloride Therefore, the type of isomerism found in this compound is linkage isomerism as NO _2 group is linked through N as - NO _2 or through O as ONO.

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