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  9. Q79

RRB Junior Engineer / DMS / CMA 2024 · Question 79 of 730

Which of the following best describes why ionic compounds like potassium bromide (KBr) do NOT conduct electricity in solid form but do in molten form?

  1. ASolid KBr has weak ions that do not conduct electricity.
  2. BIn molten form, KBr decomposes into gaseous atoms.
  3. CIonic bonds prevent ion movement in solid KBr.Correct
  4. DSolid KBr consists of neutral atoms with no free electrons. Maths By Gagan Pratap Sir

Answer: C. Ionic bonds prevent ion movement in solid KBr.

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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