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Out of BaCl(2) and KCl, which is more ef...

Out of `BaCl_(2)` and KCl, which is more effective in causing coagulation of a negatively charged colloidal sol ? Give reason.

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Out of BaCl_(2) and KCl, which is more effective in cauding coagulation of a negatively charged colloidal sol ? Give reason.

Out of MgCl_2 and AICI_3 which one is more effective in causing coagulation of negatively charged sol and why?

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CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 3-Section C
  1. Write structures of A, B, C, D, E, F inthe following reactions :

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  2. Give one example each of associated colloid and multimolecular colloid...

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  3. Out of BaCl(2) and KCl, which is more effective in causing coagulation...

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  4. What is the role of activated charcoal in gas mask?

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  5. The following data were abtained during the first order thermal decomp...

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  6. Following compounds are given to you. 2-Bromopentane, 2-Bromo-2-methy...

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  7. Give reason for the following SN1 reaction is accompanied by racemis...

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  8. Give reason The dipole moment of chlorobonzene is lower than that of...

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  9. Give reason for the following When NO2 group is present at ortho po...

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  10. Draw geometrical isomer of [Pt (NH3)2 Cl2].

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  11. On the basis of crystal field theory, write the electronic configurati...

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

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

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

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

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

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

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

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

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

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