Verified Solution • 2025–26 Session moderate

QJEEM19Ch2df6: JEE Main 2019 Chemistry - Class 11 JEEM19Ch2df6 Solution: The covalent alkaline earth metal halide (X = Cl, Br, I) is :

The covalent alkaline earth metal halide (X = Cl, Br, I) is :

Multiple Choice Options

  • A CaX2
  • B SrX2
  • C MgX2
  • D BeX2

Step-by-Step Verified Solution

According to Fajan’s rule, when the size of cation is less then the covalent character would be more for the cation.

Since Be2+ has minimum size among given cation, therefore, BeX2 would be most covalent among given alkaline with metal halides

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