Q15 of 26 Page 1

Write the structures of the major product in each of the following reactions



• Propene undergoes Hydroboration-oxidation reaction with diborane and hydrogen peroxide to yield Propanol as the major product and B(OH)3 as a by-product.


(ii)


• 2-Bromobutane undergoes dehydrogenation following Zaitsev rule to give But-2-ene as the major product.


(iii)



• Bromobenzene reacts with Mg in dry ether to give Phenyl magnesium bromide.


More from this chapter

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13

Give reasons for the following

(i) NH3 has higher boiling point than PH3


(ii) H2Te is more acidic than H2S


(iii) Chlorine water on standing loses its yellow colour


 14

(a) Write the hybridisation and shape of the following complexes

(i) [FeF6]3-


(ii) [Ni (CO)4]


(b) Out of CN- and CO which ligand forms more stable complex and why?


 16

How do you convert

(i) Phenol to 2-Hydroxyacetophenone


(ii) Ethyl chloride to methoxy ethane


(iii) Acetone to 2-Methylpropan-2-ol


 17

Give reasons for the following

(i) Aniline does not undergo Friedel Craft’s reaction


(ii) p-Methylaniline is more basic than p-Nitroaniline


(iii) Acetylation of aniline is done before preparing its ortho and para compounds