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Chlorine, bromine and iodine resemble each other in that all?

Chemistry
JAMB 1980

Chlorine, bromine and iodine resemble each other in that all?

  • A. dissolve in alkalis
  • B. react violently with hydrogen without heating
  • C. displace each other from solutions of their salts
  • D. are gases
  • E. are liquids
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Correct Answer: Option A
Explanation

Alkali metals tend to lose one electron and form ions with a single positive charge.

They form ionic compounds (salts) in reaction with the halogens (alkali halides)

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