Đề tham khảo tốt nghiệp THPT môn Hóa học năm 2025 của Hậu Giang (lần 1)

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{"save":1,"level":1,"time":"50","total":40,"point":5,"segment":[{"id":"6085","test_id":"555","question":"Cho bi\u1ebft s\u1ed1 hi\u1ec7u nguyên t\u1eed c\u1ee7a sodium là 11. V\u1ecb trí c\u1ee7a sodium trong b\u1ea3ng tu\u1ea7n hoàn là<\/p>","options":["A.<\/strong> chu kì 3, nhóm IA.","B.<\/strong> chu kì 3, nhóm IB.","C.<\/strong> chu kì 3, nhóm IIA.","D.<\/strong> chu kì 2, nhóm IIA."],"correct":"1","answer":"Ch\u1ecdn A.<\/strong> chu kì 3, nhóm IA.<\/span><\/p>Na (Z = 11): 1s2<\/sup>2s2<\/sup>2p6<\/sup>3s1<\/sup>.<\/p>\u27f6 Na \u1edf chu kì 3, nhóm IA.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-17 09:49:27"},{"id":"6087","test_id":"555","question":"M\u1ed9t h\u1ecdc sinh th\u1ef1c hi\u1ec7n ba thí nghi\u1ec7m \u1edf \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n và quan sát \u0111\u01b0\u1ee3c các hi\u1ec7n t\u01b0\u1ee3ng sau:<\/p>(1) Cu kim lo\u1ea1i không ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch Pb(NO3<\/sub>)2<\/sub> 1M.<\/p>(2) Pb kim lo\u1ea1i tan trong dung d\u1ecbch AgNO3<\/sub> 1M và xu\u1ea5t hi\u1ec7n tinh th\u1ec3 Ag.<\/p>(3) Ag kim lo\u1ea1i không ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch Cu(NO3<\/sub>)2<\/sub> 1M.<\/p>Tr\u1eadt t\u1ef1 nào sau \u0111ây th\u1ec3 hi\u1ec7n \u0111úng m\u1ee9c \u0111\u1ed9 tính oxi hoá c\u1ee7a 3 ion?<\/p>","options":["A.<\/strong> Pb2+<\/sup> < Ag+<\/sup> < Cu2+<\/sup>.","B.<\/strong> Pb2+<\/sup> < Cu2+<\/sup> < Ag+<\/sup>.","C.<\/strong> Cu2<\/sup>+ < Pb2+<\/sup> < Ag+<\/sup>.","D.<\/strong> Cu2+<\/sup> < Ag+<\/sup> < Pb2+<\/sup>."],"correct":"2","answer":"Ch\u1ecdn B.<\/strong> Pb2+<\/sup> < Cu2+<\/sup> < Ag+<\/sup>.<\/span><\/p>(1) \u27f6 Tính oxi hóa Pb2+<\/sup> < Cu2+<\/sup><\/p>(2) \u27f6 Tính oxi hóa Pb2+<\/sup> < Ag+<\/sup><\/p>(3) \u27f6 Tính oxi hóa Cu2+<\/sup> < Ag+<\/sup><\/p>\u27f6 Tính oxi hóa Pb2+<\/sup> < Cu2+<\/sup> < Ag+<\/sup>.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-17 09:52:50"}]}