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Complete the following : . . |
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Answer» SOLUTION :` (##KSV_CHM_ORG_P2_C15_E01_019_S01.png" width="80%"> C. `NH_(2)CONH_(2) overset(DELTA)underset(HCI//AcOH)rarr HCN +H-N=C=O`  ` (##KSV_CHM_ORG_P2_C15_E01_019_S03.png" width="80%">  ` (##KSV_CHM_ORG_P2_C15_E01_019_S05.png" width="80%">  o. In absic medium, coupling TAKES place o-to the `(OH)` group, and in acidc medium , coupling take place o- to the `(NH_(2))` group.  ` (##KSV_CHM_ORG_P2_C15_E01_019_S08.png" width="80%">  t. Migration of Mg group from (N) atom ti (C ) atom (in benzene nucleus ) takes place in steps . This is called Hofmann -Marticu rearrangement reaction.  ltbr. v A ovn Richter reation . when halontro benzene in heated with ` KCN`, them nitro group is eleiminated and the (- CN) group eneters the ring o-to the position occupoed by the expelled group. 
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