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Alkali metals impart colour to Bunsen fl...

Alkali metals impart colour to Bunsen flame due to

A

the presence of one electron in their outermost orbital

B

low ionization energies

C

their softness

D

their reducing nature

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The correct Answer is:
B
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Alkali metals give coloue in Bunsen flame due to :

Assertion (A): Alkali metlas impart colour to the flame. Reason (R ): The ionisation energies are low.

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Assertion : Alkali metal salts give colour to the Bunsen flame . Reasoning : This is due to excitation of valence shell electrons of sodium ions from lower to higher orbitals

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NTA MOCK TESTS-NTA NEET SET 74-CHEMISTRY
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  4. Geometrical isomerism is show by

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  5. At the same temperature and pressure ,which of the following gases wil...

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  6. Which of the following is the most stable carbanion?

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  13. Which of the following would cause the percent ionization of week acid...

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