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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
Question
What is covalency of Al in $\left[\mathrm{AlCl}_4\right]^{-}$?
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Answer

It is equal to 4 because it is forming four covalent bonds.

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