Quiz — 67e5247d4b00e_Serie_Les amides_2025.pdf

Question 1 sur 5 10:00

[{"id":1819,"question":"Quel est le groupe fonctionnel caractéristique d’un amide ?","option_a":"-COOH","option_b":"-CHO","option_c":"-CONH2","option_d":"-COOR","option_e":"","option_f":"","bonne_reponse":"c","explication":"Le groupe fonctionnel des amides est le groupe \u003Cstrong\u003Eamide\u003C\/strong\u003E, noté -CONH2 (pour un amide primaire), où l’atome d’azote est lié à un groupe carbonyle (C=O).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"-COOH\", \"b\": \"-CHO\", \"c\": \"-CONH2\", \"d\": \"-COOR\"}}","_debug_options_count":4},{"id":1820,"question":"Quelle est la formule générale d’un amide primaire ?","option_a":"R-CO-NH-R'","option_b":"R-CO-NH2","option_c":"R-CO-OR'","option_d":"R-CO-NH-R'-R''","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un amide primaire a pour formule générale \u003Cstrong\u003ER-CO-NH2\u003C\/strong\u003E, où R est un groupe alkyle ou aryle et NH2 représente le groupe amino.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"R-CO-NH-R'\", \"b\": \"R-CO-NH2\", \"c\": \"R-CO-OR'\", \"d\": \"R-CO-NH-R'-R","_debug_options_count":4},{"id":1821,"question":"Quelle réaction permet de transformer un amide en acide carboxylique ?","option_a":"Hydrogénation","option_b":"Hydrolyse","option_c":"Oxydation","option_d":"Réduction","option_e":"","option_f":"","bonne_reponse":"b","explication":"L’\u003Cstrong\u003Ehydrolyse\u003C\/strong\u003E d’un amide en milieu acide ou basique conduit à la formation d’un acide carboxylique et d’une amine (ou ammoniac).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Hydrogénation\", \"b\": \"Hydrolyse\", \"c\": \"Oxydation\", \"d\": \"Réduc","_debug_options_count":4},{"id":1822,"question":"Quel est le produit de l’hydrolyse basique de l’éthanamide (CH3CONH2) ?","option_a":"CH3COOH + NH3","option_b":"CH3COO- + NH4+","option_c":"CH3CHO + NH3","option_d":"CH3COCl + NH3","option_e":"","option_f":"","bonne_reponse":"b","explication":"En milieu basique, l’hydrolyse de l’éthanamide donne de l’\u003Cstrong\u003Eéthanoate de sodium (CH3COO-)\u003C\/strong\u003E et de l’ammoniac (NH3), qui se transforme en ion ammonium (NH4+).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"CH3COOH + NH3\", \"b\": \"CH3COO- + NH4+\", \"c\": \"CH3CHO + NH3\", \"d\": ","_debug_options_count":4},{"id":1823,"question":"Quelle est la structure de l’urée, un amide particulier ?","option_a":"NH2-CO-NH2","option_b":"CH3-CO-NH2","option_c":"C6H5-CO-NH2","option_d":"NH2-COOH","option_e":"","option_f":"","bonne_reponse":"a","explication":"L’\u003Cstrong\u003Eurée\u003C\/strong\u003E a pour formule NH2-CO-NH2, ce qui en fait un amide primaire symétrique où deux groupes amino sont liés au même groupe carbonyle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"NH2-CO-NH2\", \"b\": \"CH3-CO-NH2\", \"c\": \"C6H5-CO-NH2\", \"d\": \"NH2-COO","_debug_options_count":4}]