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Which alkali metal is radioactive in nat...

Which alkali metal is radioactive in nature?

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Which of the following statement(s) is/are incorrect regarding property of alkali metals ? I. Alkali metal on reaction with water produces a gas as a by product which burns with popping sound. II.All alkali metal hydrides are ionic in nature.

a. Name the alkali metals which form superoxides on heating in excess of air. b. Name the alkali metal which floats on water without any apparent reaction with it. c. Name the main factor which is responsible for the anomalous behaviour of lithium. d. What is the general name for element of group 1 ? e. Give the name of the alkali metal which is radioactive. f. Name the alkali metal which shows diagonal relationship with magnesium. g. Name teh alkali metal which acts as the strongest reducing agent in aqueous solution.

Why are alkali metals not found in nature?

.Which of the alkali metal is having least melting point?

The most widely distrubuted alkali metals as chloride in nature is/are

Why are alkali metals not found free in nature ?

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. Which alkali metal is radioactive in nature?

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  2. A : p - nitrophenol has high pK(a) in comparison to o-nitrophenol ...

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  3. A : When C(2) H(5) - O- CH(3) is reacted with oen mole of Hl then C(2...

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  4. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

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  5. A : In esterification reaction , HCOOH is the most reactive acid among...

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  6. A : Ethers can't be distilled upto dryness due to fear of explosion . ...

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  7. A : Phenol does not react with NaHCO(3) . R : Phenol is less acid...

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  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

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  9. A : Diphenyl ether is prepared by Williamson synthesis . R : This...

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  10. A : Grignard's reagent is prepared in the presence of ether . R :...

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  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

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  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

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  13. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

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  14. A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...

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  15. A : Among all ortho halophenol , fluorophenol is least acidic . R ...

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  16. A : In esterification reaction alcohol act as nucleophile . R : ...

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  17. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

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  18. A : Primary alcohol is prepared by the reaction of primary amine with ...

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  19. A : Thte reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for...

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  20. A : The dehydration of ethyl alcohol in presence of Al(2)O(2) at 633 ...

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