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Question

Which Swiss chemist was the first to formulate his ideas about the structures of coordination compounds?

This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is

Alfred Werner

Alfred Werner, a Swiss chemist, was the first to formulate his ideas about the structures of coordination compounds, earning him the Nobel Prize in Chemistry.

Robert Bunsen, John Dalton and Isaac Newton made other significant scientific contributions, but the coordination compound theory specifically belongs to Alfred Werner.

Hence, Alfred Werner is the correct answer.

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Important Questions from Chemical Bond and Molecular Structure

  1. Which one of the following is a covalent compound?
  2. Which one of the following is the correct molecular formula of ammonium carbonate if the valency of ammonium ion is (+1) and carbonate anion is (-2)?

  3. Which one of the following statements is correct?

  4. Which one of the following is the chemical formula of gypsum?

  5. Which one of the following statements about water is not true ?

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