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Which is the weakest reducing agent ?...

Which is the weakest reducing agent ?

A

Li

B

Na

C

K

D

Rb.

Text Solution

Verified by Experts

The correct Answer is:
B
`E^(@)` (red) of alkali metals is in the order
`Na(-2.714 V) lt K(-2.925 V)lt Cs-(2.927 V) lt Rb (-2.930 V) lt Li (-3.04 V)`
As such Na is the weakest reducing agent among the alkali metals.
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DINESH PUBLICATION-THE ALKALI METALS-RQ
  1. Strongest bond is between

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  2. Which of the following properties is not true for an alkali metal ?

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  3. Which is the weakest reducing agent ?

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  4. Which of the following is known as fusion mixture ?

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  5. Which of the following statements is false for alkali metals ?

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  6. The standard reduction potential of Li^(+)//Li,Ba^(2+)//Ba,Na^(+)//Na ...

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

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

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

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

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

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

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

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  14. Caesium oxide will be

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

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  16. The alkali metals

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  17. Microcosmic salt is

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  18. Lithium shows diagonal relationship with

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

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

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