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A. According to C.FT complex compound co...

A. According to C.FT complex compound contain point charges
R: The bonding between central metal ion and ligand is electrostatic

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

) If Assertion is true statement but Reason is false, then mark (3).

D

If both Assertion and Reason are false statements, then mark (4)

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The correct Answer is:
B
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According to cystal field theory, interaction between central metal atom/ion and ligand is electrostatic in nature. In free metal ions, the five d-orbitals are degenerate. However, in a ligand field e.g., tetrahedral, octahedral, square planar, square pyramidal, trigonal bipyramidal, the degeneracy of 5d-orbitals is lost. If lobes of d-orbitals of central metal atom/ion are along the axes through which ligands are approaching, the energy of corresponding d-orbital is raised more than the d-orbitals having lobes between teh axes. e.g., octahedral complexes, square planar complexes, square pyramidal compexes. Which of the following orbitals has the highest energy in square pyramidal ligand field ?

According to cystal field theory, interaction between central metal atom/ion and ligand is electrostatic in nature. In free metal ions, the five d-orbitals are degenerate. However, in a ligand field e.g., tetrahedral, octahedral, square planar, square pyramidal, trigonal bipyramidal, the degeneracy of 5d-orbitals is lost. If lobes of d-orbitals of central metal atom/ion are along the axes through which ligands are approaching, the energy of corresponding d-orbital is raised more than the d-orbitals having lobes between teh axes. e.g., octahedral complexes, square planar complexes, square pyramidal compexes. The correct order Delta_(o), Delta_(t)" and "Delta_(sp) (where o, t and sp stand for octahedral, tetrahedral and square planar fileds respectively) is :

According to C.F.T, attraction between the central metal ion and ligands in a complex is purely electrostatic. The transition metal which forms the central atom cation in the complex is regarded as a positive ion. It is surrounded by negative ligands or neutral molecules which have a lone apir of electrons, if the ligand is a neutral molecule such as NH_(3) , the negative and of the dipole in the molecule is directed towards the metal cation. the electrons on the central metal ion are under repulsive forces from those on the ligands. thus the electrons occupy the d-orbitals remain away from the direction of approach ligands. ltBrgt Q. Correct relationship between pairing energy (P) and C.F.S.E. (Delta_(o)) in

Central metal ion in complex compound acts as

According to C.F.T, attraction between the central metal ion and ligands in a complex is purely electrostatic. The transition metal which forms the central atom cation in the complex is regarded as a positive ion. It is surrounded by negative ligands or neutral molecules which have a lone apir of electrons, if the ligand is a neutral molecule such as NH_(3) , the negative and of the dipole in the molecule is directed towards the metal cation. the electrons on the central metal ion are under repulsive forces from those on the ligands. thus the electrons occupy the d-orbitals remain away from the direction of approach ligands. ltBrgt Q. The value of 'x' in the complex H_(x)[Co(CO)_(4)] (on the basis of EAN rule), and geometry arround Co ion respectively is:

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. A. According to C.FT complex compound contain point charges R: The bo...

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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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