Na imparts yellow colour to Bunsen flame beca | vedclass

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(D) $Na$ has a low ionisation potential. When $Na$ is placed in a Bunsen flame,the heat energy is sufficient to excite the valence electron to a highe

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Low ionisation potential

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(D) $Na$ has a low ionisation potential. When $Na$ is placed in a Bunsen flame,the heat energy is sufficient to excite the valence electron to a higher energy level. When this electron returns to the ground state,it emits energy in the form of yellow light,which corresponds to the characteristic wavelength of $Na$.

$Na$ imparts yellow colour to Bunsen flame because of

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