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Which of the following is more stable co...

Which of the following is more stable complex and why? `[CO(NH_3)_6]^(3+) and [CO(en)_3]^(3+)`

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Which of the following complexes is more stable and why ? [Co(en)_3]^(3+) and [Co(NH_3)_6]^(3+)

Which of the following is more stable ? (1) K_(4)[Fe(CN)_(6)] or K_(3)[Fe(CN)_(6)] (2) [Co(NH_(3))_(6)]^(3+) or [Co(en)_(2)(NH_(3))_(2)]^(3+) (3) [NiCl_(4)]^(2-) or [Ni(CN)_(4)]^(2-)

Write IUPAC name for each of the following complexes : (i) [Ni(NH_3)_6]Cl_2 (ii) K_3[Fe(CN)_6] (iii) [Co(en)_3]^(3+)

On the basic of CET explaine the following complex of Co^(3+) like [Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+) and [Co(NO_(2))_(6)]^(3-) are diamagntic while [CoF_(6)]^(3-) and [Co(H_(2)O)_(6)]^(3+) are paramagnetic .

Write IUPAC name of the following complex : [Co(NH_(3))_(6)]^(3+)

Which of the following compounds show optical isomerism? I. cis -[Co(NH_(3))_(4) Cl_(2)]^(+) II. Trans - [Co(en)_(2) Cl_(2)]^(+) III. Cis - [Co(en)_(2) cl_(2)]^(+) IV. [Co(en)_(3)]^(3+) Choose the correct answer form the codes given below.

CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 3-Section C
  1. On the basis of crystal field theory, write the electronic configurati...

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  2. Write hybridisation and magnetic behaviour of the complex [Ni(CO)(4)].

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  3. Which of the following is more stable complex and why? [CO(NH3)6]^(3+...

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  4. A Co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of Ag...

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  5. Why a solution of [Ni(CN)4]^(2-) is colourless?

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  6. Identify A in the following reactions : (C6H5CH2)2 Cd + 2CH3COCl to ...

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  7. (A), (B) and (C ) are three non-cylic funtional isomers of a carbonyl ...

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  8. (a) Prepare benzoic acid from Ethylbenzene. (c) Why pka" of "F-CH2- ...

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  9. Calculate the e.m.f. of the following cell at 298K: 2Cr(s)+3Fe^(2+)(...

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  10. Why conductivity of electrolyte decreases with decreases in concentrat...

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  11. State Faraday's first law of electrolysis.

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  12. Define limiting molar conductivity.

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  13. Ecell for the given redox reaction is 2.71 V Mg(s) + Cu^(2+)(0,01M) to...

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  14. Draw structure of (i) XeOF4" (ii) "HClO3

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  15. Account for the following (i) Fluorine forms only one oxoacid HOF ...

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  16. Arrange in increasing order of boiling point H2O, H2S, H2Se, H2Te

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  17. What are the conditions to maximise yield of H2SO4 in contact process

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  18. F2 has lower bond dissociation enthalpy than Cl2. Why?

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  19. Complete the equation XeF2 + PF5 to

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  20. There is large difference in boiling point of oxygen and sulphur. Give...

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