Q1 of 46 Page 1

Write structures of compounds A and B in each of the following reactions:


When ethyl benzene is oxidized using KMnO4 in basic medium it undergoes rigorous oxidation to give corresponding carboxylate which on hydrolysis gives benzoic acid.


Rxn:



When cyclohexanol is treated with chromic acid (CrO3) it undergoes oxidation to give cyclohexanone.



Cyclohexanone when further reacted with undergoes substitution reaction to give a complex compound named 2-cyclohexylidene hydrazinecarboxamide.



NOTE: the above reaction is highly critical and complicated and the details should not be sought. The naming of the final compound is based on IUPAC with carboxamide as the principle functional group.


More from this chapter

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10

Using IUPAC name of the complex [Pt(en)2Cl2]2+(corrected compound). Draw the structures of geometrical isomers for this complex.

OR


Using IUAPC norms write the formulae for the following:


(i) Hexamminecobalt(III) sulphate


(ii) Potassium trioxalatochromate(III)


 11

[CoF6]3- and [Co(en)3]3+, which one complex is:

(i) Paramagnetic


(ii) More stable


(iii) Inner orbit complex and


(iv) High spin complex


(atomic no. of Co = 27)


 13

The decomposition of NH3 on platinum surface is zero order reaction. Of rate constant (k) is 4×10-3 s M-1, how long will it take to reduce the initial concnentration of NH3 from 0.1 to 0.064 M.

 14

(i) What is the role of activated charcoal in gas mask?

(ii) A colloidal sol is prepared by the given method in figure. What is the charge on hydrated ferric oxide colloidal particles formed in the test tube? How is the sol represented?



(iii) How does chemisorption vary with temperature?