MCQEasyJEE 2023Ligands & Coordination Number

JEE Chemistry 2023 Question with Solution

To inhibit the growth of tumours, identify the compounds used from the following:

  • A

    EDTA

  • B

    Coordination Compounds of Pt

  • C

    D – Penicillamine

  • D

    Cis – Platin Choose the correct answer from the options given below: (1) B and D Only (2) C and D Only (3) A and B Only (4) A and C Only

Answer

Correct answer:D

Step-by-step solution

Standard Method

Given: The question asks which compounds are used to inhibit the growth of tumours.

Find: The correct option.

From standard coordination chemistry applications, platinum coordination compounds are used as anti-tumour agents. Cis-platin is a well-known anti-cancer drug.

Therefore, the correct pair is B and D only.

The solution appears mismatched in its detailed explanation, but its header states that the correct option is D. Since the combined-answer list shows (1) B and D Only, the final correct choice is the option corresponding to that pair.

Answer Mapping

The first four entries are substances:

  • A: EDTA
  • B: Coordination Compounds of Pt
  • C: D – Penicillamine
  • D: Cis – Platin

The second layer of answer choices on the page is:

  • (1) B and D Only
  • (2) C and D Only
  • (3) A and B Only
  • (4) A and C Only

Both chemistry knowledge and the answer key indicate B and D Only. Hence the correct numbered choice is (1).

Common mistakes

  • Treating EDTA as an anti-tumour drug is incorrect because it is primarily used as a chelating agent. Focus on known medicinal applications of platinum complexes instead.

  • Confusing D – Penicillamine with anti-cancer compounds is incorrect because it is mainly used as a chelating agent in metal poisoning and related conditions. Do not group all coordination-related compounds as anti-tumour agents.

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