1.

Out of C_(6)H_(5)CH_(2)Cl and C_(6)H_(5)CHCIC_(6)H_(5), which is more easily hydrolysed by aqueous KOH? Why?

Answer»

SOLUTION :Beryllium and magnesium atoms in comparison to other ALKALINE earth metals are comparatively smaller and their ionisation enthalpies are very high. Hence,the ENERGY of the FLAME is not sufficient to excite their electrons to higher energy levels. These elements, there- fore, do not GIVE any colour in Bunsen flame.


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