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Why does magnesium from Mg^(2+) and not ...

Why does magnesium from `Mg^(2+)` and not `Mg^(+)`?

A

Be

B

Mg

C

Ca

D

Ba

Text Solution

Verified by Experts

The correct Answer is:
D
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Why MgO exist as Mg^(2+)O^(2-) not as Mg^(o+)O^(ɵ) whereas the formation of Mg^(2+) from Mg requires more energy than formation of Mg^(o+) and formation of O^(ɵ) from O is exothermic whereas the formation of O^(2-) is endothermic .

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Mg forms Mg(II) because of :

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AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. Why does magnesium from Mg^(2+) and not Mg^(+)?

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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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