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NEET
Exam
NEET
Subject
Chemistry
Chapter
s Block Elements

NEET · Chemistry · s Block Elements

In flame tests for alkali metals, why is it important to use an...

In flame tests for alkali metals, why is it important to use an oxidizing flame?

Options

  1. ATo create a larger flame
  2. BTo minimize the heat generated
  3. CTo prevent the emission of characteristic colors
  4. DTo provide the conditions for excitation of electrons

Correct answer

D. To provide the conditions for excitation of electrons

Step-by-step solution

An oxidizing flame is used in flame tests for alkali metals because it provides the necessary conditions, including oxygen, to excite the outermost orbital electrons of alkali metal atoms, leading to the emission of characteristic colors.
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