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Covalent or ionic character of metal halides by Fajans' rules

This type of question, asked 5 times: 9 May 2023 S1, 11 May 2024 S1, 19 Apr 2025 S1, 18 Apr 2026 S1, 19 May 2026 S2. All 5 questions below, oldest first.

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  1. Question 1

    9 May 2023 S1

    75
    Which from following compounds is most covalent?

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  2. Question 2

    11 May 2024 S1

    55
    Which metal halide from following has lowest ionic character (M = metal atom)?

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  3. Question 3

    19 Apr 2025 S1

    53
    Which of the following compounds has maximum covalent character?

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  4. Question 4

    18 Apr 2026 S1

    5
    Which of the following metal halides have more covalent character?

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  5. Question 5

    19 May 2026 S2

    3
    Which is the correct decreasing order for ionic character of halides, where M is a monovalent metal?

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