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Why IE(3) of Mn is high ?...

Why `IE_(3)` of Mn is high ?

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Due to half filled electronic configuration of `Mn^(2+)`
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Explain the following question (based on ionisation energy): (a) Why IE_(1) of N is higher than that of O atom ? (b) Why IE_(1) of Mg is higher than that of Al atom? (c ) Why IE_(1) of C is greater than that of B atom whereas IE_(2) is reverse ? (d) In general, IE increases along the period (rarr) . Explain why the IE_(2) of Cr is higher than that of Mn (Manganese)? (e) The IE_(1) and IE_(2) of K are 420 and 3050 kJ mol^(-1) respectively and those of Ca are 560 and 1140 kJ mol^(-1) respectively. Compare their values and comment on the differences. (f) The IE of Li , Be and C are 5.5, 9.3 and 11.3 eV . What would be the case and explain. i. K, Ca,Se , ii. N,O,F iii. K^(o+), Ar,Cl^(ɵ) , iv Fe, Fe^(2+), Fe^(3+) v. C,N,O , vi. Cu,Ag,Au vii. K, Rb, Cs , viii Be, B, C ix. Na, Mg, Al (h) Explain why Fe^(2+) is more easily oxidised to Fe^(3+) than Mn^(2+) to Mn^(3+) . (i) Explain whether IE_(1) of two isotopes of same element would be same or different. (j) What are the factors on which IE of main group elements tends to decrease douwn the group (darr) .

Statement-I : IE_(3) of Mn is more than IE_(3) of Fe. Statement-II : After the removal of 2 electron Fe acquire half filled electronic configuration.

(a). Why IE_1 of Zn , Cd and Hg are very high? (b). The relative difference in IE of any two consecutive d-bloch elements is smaller than those of s and p-block elements. (c). IE_2 is usually very high for Cr and Cu . Why?

Why E^(@) value of Mn, Ni and Zn are more negative than expected ?

Why E^(-) values for Mn, Ni and Zn are more negative than expected?

Value of IE_(1), IE_(2), IE_(3) of an element are 9.3, 18.2 and 553.8 eV . Predict group number in Modern Periodic Table.

Out of Mn and Fe which has higher IE_(3) and why ?

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. Why IE(3) of Mn is high ?

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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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