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
Verified Correct Answer: A.
Chemical Principles & Mechanism
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)
Source: WAEC / JAMB / NECO Classroom Archive (Record #14286)