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NEET
Exam
NEET
Subject
Chemistry
Chapter
s Block Elements

NEET · Chemistry · s Block Elements

Why do beryllium and magnesium appear kinetically inert to oxygen...

Why do beryllium and magnesium appear kinetically inert to oxygen and water?

Options

  1. AThey have a strong aversion to oxygen and water.
  2. BThey have a protective oxide film on their surface.
  3. CThey are naturally non-reactive elements.
  4. DThey have a high electronegativity.

Correct answer

B. They have a protective oxide film on their surface.

Step-by-step solution

Beryllium and magnesium have a thin oxide film on their surfaces that prevents further reaction with oxygen and water, making them appear kinetically inert.
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