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Sodium chloride gives a golden yellow co...

Sodium chloride gives a golden yellow colour to the bunsen flame, which is due to

A

Low ionisation energy of sodium

B

Sublmation of metails sodium to give yellow vapour

C

Emission of excess energy absorted as a radiation in the visible region

D

Photosensitivity of sodium

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The correct Answer is:
C
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CENGAGE CHEMISTRY ENGLISH-ATOMIC STRUCTURE-Exercises Single Correct
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  2. For a given principal level n = 4 the energy of its subshells is of t...

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  3. Sodium chloride gives a golden yellow colour to the bunsen flame, whic...

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  4. The correct order of number of unpaired electrons is

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  8. The magnetic quantum number of an atom is related to the

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  11. The ratio of energy of photon of lambda = 2000 Å to that of lambda = 4...

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  13. The energy of a hydrogen atom in its ground state is -13.6 eV. The ene...

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  15. Which combination of quantum number n,l, and s the elctron in an atom...

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  18. which of the following set of quantum numbers is impossible for an ele...

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