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Transition elements

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Question 8

Which statement(s) is/are correct for the complex ion [Co(en)2Cl2]+[\text{Co}(\text{en})_2\text{Cl}_2]^+[Co(en)2​Cl2​]+ (where en=H2NCH2CH2NH2\text{en} = \text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2en=H2​NCH2​CH2​NH2​)?

  1. It exhibits both geometric and optical isomerism.
  2. It has octahedral geometry with ideal bond angles of 90∘ 90^\circ\,90∘ and 180∘180^\circ180∘.
  3. The trans-isomer is chiral and has optical isomers.
A

1, 2 and 3

B

Only 1 and 2

C

Only 2 and 3

D

Only 1

Markscheme

Transition elements Questions

  1. A Level
  2. /Chemistry
  3. /Transition elements

48 exam-style questions on OCR A A Level Chemistry Transition elements. Each one has a worked solution and a mark scheme showing where the marks go.

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