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What is the order of reactivity of alkal...

What is the order of reactivity of alkali metals towards hydrogen?

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To determine the order of reactivity of alkali metals towards hydrogen, we need to analyze the properties of alkali metals and their hydrides. ### Step-by-Step Solution: 1. **Identify the Alkali Metals**: The alkali metals include Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), and Cesium (Cs). 2. **Understand Reactivity Trends**: Reactivity of alkali metals generally increases as we move down the group in the periodic table. However, when considering their reactivity specifically towards hydrogen, we need to look at the stability of their hydrides. ...
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Knowledge Check

  • The order of reactivity of halogens towards hydrogen is

    A
    `F_(2) lt Cl_(2) lt Br_(2) lt I_(2)`
    B
    `I_(2) lt Br_(2) lt Cl_(2) lt F_(2)`
    C
    `Cl_(2) lt Br_(2) lt I_(2) lt F_(2)`
    D
    `Br_(2) lt Cl_(2) lt F_(2) lt I_(2)`

  • The reactivity of alkene towards hydrogen is :

    A
    `XgtYgtZ`
    B
    `YgtXgtZ`
    C
    `ZgtXgtY`
    D
    `YgtZgtX`

  • The correct order of reactivity in alkali metals is:

    A
    `Li gt Na gt K`
    B
    `Na gt Li gt K`
    C
    `K gt Li gt Na`
    D
    `K gt Na gt Li`
    • CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise Short
    1. Explain why calcuim ion makes water hard, but sodium ion does not.

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    2. Name the alkali metals which combine directly with nitrogen.

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    3. What is the order of reactivity of alkali metals towards hydrogen?

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    4. Arrange the alkali metals in increasing order of their density.

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    5. Which among Na,K,Cs and Li forms most stable hydride?

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    6. Which among Li,Na,K and Cs has density greater than water?

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    7. Arrange K,Ca and Li in order of increasing electrode potential.

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    8. The ionisation enthalpy of Na is less than Ne. Why?

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    9. Arrange alkali metal fluorides and halides in the decreasing order of ...

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    10. Which among Na,Mg,Ba and Ca is the poor reducing agent?

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    11. Arrange alkali metal carbonate in increasing order of solubility.

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    12. Arrange CaCO(3),KHCO(3) and NaHCO(3) in increasing order of solubiliti...

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    13. Why Be generally form covalent compounds?

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    14. Barium compounds are poisonous, even then BaSO(4) is used in barium me...

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    15. Which of the two cations Mg^(2+) and Al^(3+) is smaller?

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    16. Why alkaline earth metal oxides are quite stable?

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    17. Why does the solubility of alkaline earth metal sulphates decrease on ...

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    18. Why does the solubility of alkaline earth metal hydroxides in water in...

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    19. When sodium is dissolved in liquid ammonia, a solution of deep blue co...

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    20. Arrange alkaline earth metal flouides in order of increasing solubilit...

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