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AP EAMCET · Chemistry · s Block Elements

The pair of elements that form both oxides and nitrides, when burnt in air are

  1. A Na,Mg
  2. B Na,Be
  3. C Mg,Ca
  4. D Be,Mn
Verified Solution

Answer & Solution

Correct Answer

(C) Mg,Ca

Step-by-step Solution

Detailed explanation

Reaction of magnesium or calcium with oxygen gives magnesium oxide or calcium oxide. 2Mg+O2From air⟶2MgO Reaction of magnesium or calcium with nitrogen gives Mg3N2 or Ca3N2. The chemical reaction is as follows. 3Mg+N2From air⟶Mg3N2 Hence, metal…