Câu 1: cho 8 gam hỗn hợp hai anđehit kế tiếp nhau trong dãy đồng đẳng của andehit no, đơn chức mạch hở có tác dụng với AgNO3/NH3 lấy dư thu được 32,4 gam Ag kết tủa. Xác định CTPT, viết CTCT và gọi tên các andehit Câu 2: đun 12 gam axit axetic với một lượng dư ancol etylic có axit H2SO4 đặc làm xúc tác. Đến khi thí nghiệm dùng lựa thu được 12,3 gam este. Viết PTHH của phản ứng và tính hiệu suất của phản ứng este hóa

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