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The golden yellow colour associated with...

The golden yellow colour associated with `NaCl` to Bunsen flame be explained on the basis of

A

Low ionisation potential of sodium

B

Photosensitivity of sodium

C

Sublimation of metallic sodium to give yellow vapour

D

Emission of energy absorbed as a radiation in the ultraviolet region.

Text Solution

Verified by Experts

The correct Answer is:
A
NaCl imparts golden yellow colour to the flame due to lower I.E. of sodium.
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DINESH PUBLICATION-THE ALKALI METALS-RQ
  1. The standard reduction potential of Li^(+)//Li,Ba^(2+)//Ba,Na^(+)//Na ...

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  2. The reactivity of the alkali metal sodium with water, is made use of

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  3. The golden yellow colour associated with NaCl to Bunsen flame be expla...

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  4. Which of the following imparts violet colouration to the Bunsen burner...

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  5. A combustible gas is liberated when caustic soda solution is heated wi...

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  6. Which of the following compound is used in gun powder ?

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  7. Alkali metals displace hydrogen from water forming bases due to the re...

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  8. Fires, that result from the combustion of alkali metals can be extingu...

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  9. Caesium oxide will be

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  10. Which of the following statements is false regarding saline hydrides?

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  11. The alkali metals

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  12. Microcosmic salt is

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  13. Lithium shows diagonal relationship with

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  14. Which of the following reacts with water at a high rate ?

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  15. With the increase in atomic weights,melting points of the alkali metal...

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  16. The fusion mixture is a mixture of

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  17. Sodium is made by the electrolysis of a molten mixture of about 40% Na...

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  18. Main process for the manufacture of Na(3)CO(3) is

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  19. When NaOH is made, the gas released at the cathode is

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  20. The valence shell electronic configuration of alkali metals is

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