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Consider the following statements 1. ...

Consider the following statements
1. Alkali metals are soft.
2. Alkali metals show high reactivity
3. I.E of alkali metal decreases down the group Which of the following statement(s) given above is/ are correct?

A

1 & 3

B

only 1

C

2 & 3

D

1, 2 & 3

Text Solution

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The correct Answer is:
D
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. The hydration enthalpies of alkali metal ions decreases in order.

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  2. The most electro positive element of the periodic table is

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  3. Consider the following statements 1. Alkali metals are soft. 2. ...

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  4. The alkali metals have low melting point. Which of the following alkal...

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  5. The reducing power of a metal depends on various factors. Suggest the ...

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  6. The order of decreasing ionisation enthalpy in alkali metals is

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  7. Which of the following is used in photoelectric cells ?

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  8. Metallic elements are described by their standard electrode potential,...

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  9. Which of the following are the correct reasons for anomalous behaviour...

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  10. ions are found in large proportions in biological fluids.

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  11. Which of the following ions are more responsible for transmission of n...

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  12. Spodumene is the silicate mineral of

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  13. Which of the following metals is most commonly used in photochemical c...

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  14. Which among the folJowing is the strongest reducing agent?

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  15. Why Cs and K are used as electrodes in photoelectric cells ?

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  16. Which among the following alkali metals exhibit the most metallic char...

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  17. The correct increasing order of density of alkali metals is

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  18. Alkaline earth metals belong to group of the periodic table.

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  19. The metallic lusture exhibited by sodium is due to,

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  20. NaCl gives a golden yellow colour to the Bunsen flame which is due to.

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