Observe the following reactions Dimer $\stackrel{\text { Vapour phase }}{\longleftarrow} \mathrm{MCl}_2…

Observe the following reactions Dimer $\stackrel{\text { Vapour phase }}{\longleftarrow} \mathrm{MCl}_2 \stackrel{1200 \mathrm{~K}}{\longrightarrow}$ linear monomer. What is M?
  1. $\mathrm{Ca}$
  2. $\mathrm{Sr}$
  3. $\mathrm{Mg}$
  4. $\mathrm{Be}$

Asked in: AP EAMCET 2022 (08 Jul Shift 1)

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