C©u 1C¸c r­îu (ancol) no ®¬n chøc t¸c dông ®­îc víi CuO nung nãng t¹o an®ehit lµ A)r­îu bËc 1. B)r­îu bËc 3. C)r­îu bËc 2. D)r­îu bËc 1 vµ r­îu bËc 2. §¸p ¸nAC©u 2D·y gåm c¸c dung dÞch ®Òu t¸c dông víi Cu(OH)2 lµ A)glucoz¬, glixerin, mantoz¬, natri axetat. B)glucoz¬, glixerin, mantoz¬, r­îu (ancol) etylic. C)glucoz¬, glixerin, andehit fomic, natri axetat. D)glucoz¬, glixerin, mantoz¬, axit axetic. §¸p ¸nDC©u 3§Ó chøng minh aminoaxit lµ hîp chÊt l­ìng tÝnh ta cã thÓ dïng ph¶n øng cña chÊt nµy lÇn l­ît víi A)dung dÞch KOH vµ dung dÞch HCl. B)dung dÞch KOH vµ CuO. C)dung dÞch NaOH vµ dung dÞch NH3. D)dung dÞch HCl vµ dung dÞch Na2SO4 . §¸p ¸nAC©u 4ChÊt kh«ng ph¶n øng víi Na lµ A)CH3COOH. B)CH3CHO. C)HCOOH. D)C2H5OH. §¸p ¸nBC©u 5D·y ®ång ®¼ng cña r­îu etylic cã c«ng thøc chung lµ A)CnH2n - 7OH (n≥6). B)CnH2n +2 - x(OH)x (n≥x, x>1). C)CnH2n + 1OH (n≥1). D)CnH2n -...