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CAÙC HÔÏP CHAÁT HÖÕU CÔ cOÙ NHOÙM CHÖÙC

CAÙC HÔÏP CHAÁT HÖÕU CÔ cOÙ NHOÙM CHÖÙC. NHAÄN BIEÁT. DAÏNG 1. NHAÄN BIEÁT. NGUYEÂN TAÉC. Trong nhaän bieát, caùc daáu hieäu phaûi nhö theá naøo?. Roõ raøng. Deã nhaän bieát. NHAÄN BIEÁT. THÖÙ TÖÏ NHAÄN BIEÁT. Haõy cho bieát thöù töï vaø caùch nhaän bieát cuûa caùc chaát sau ñaây:.

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CAÙC HÔÏP CHAÁT HÖÕU CÔ cOÙ NHOÙM CHÖÙC

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  1. CAÙC HÔÏP CHAÁT HÖÕU CÔ cOÙ NHOÙM CHÖÙC NHAÄN BIEÁT DAÏNG1

  2. NHAÄN BIEÁT NGUYEÂN TAÉC Trong nhaän bieát, caùc daáu hieäu phaûi nhö theá naøo? • Roõ raøng • Deã nhaän bieát

  3. NHAÄN BIEÁT THÖÙ TÖÏ NHAÄN BIEÁT • Haõy cho bieát thöù töï vaø caùch nhaän bieát cuûa caùc chaát sau ñaây: Röôïu ñôn Amin Phenol(Anilin) 1 (6) (2) (4) Glyxeârin Alñeâhyt Axit Cacboxylic (5) (3) (1) 2

  4. NHAÄN BIEÁT Baèng quyø tím hoaëc caùc muoái cacbonat. • Neáu coù nhieàu axit thì nhaän bieát: • Axit cacboxylic: HCOOH baèng dd AgNO3 trong NH3. CH2=CH-COOH baèng dd Broâm. • Amin: Baèng quyø tím • Alñeâhyt: Baèng dd AgNO3 trong NH3. • Pheânol (Anilin): Baèng dd Broâm. • Glyxeârin (Röôïu ña chöùc): Baèng Cu(OH)2. • Röôïu ñôn chöùc: Baèng Na.

  5. NHAÄN BIEÁT TRÌNH BAØY • Haõy cho bieát caùc quaù trình cuûa moät baøi nhaän bieát: • Cho thuoác thöû laàn löôït vaøo n loï hoùa chaát. • Hieän töôïng thaáy. • Keát luaän loï. • Vieát phöông trình phaûn öùng neáu coù.

  6. BAØI TAÄP NHAÄN BIEÁT Nhaän bieát: Röôïu EÂtylic, Pheânol. 1. C6H5OH C2H5OH ddBr2 __ traéng

  7. BAØI TAÄP NHAÄN BIEÁT Nhaän bieát: Pheânol, Röôïu benzylic, Benzen. 2. C6H5OH C6H5-CH2OH C6H6 ddBr2 traéng __ __ H2 __ Na

  8. BAØI TAÄP NHAÄN BIEÁT Nhaän bieát: Röôïu EÂtylic, Meâtyl amin, Axit Axeâtit, ddfomon. 3. C2H5OH CH3NH2 CH3COOH HCHO __ __ Quì tím Hoùa xanh Hoùa ñoû __ ddAgNO3/NH3 Ag

  9. BAØI TAÄP NHAÄN BIEÁT Nhaän bieát: Axit Axeâtic, Glyxeârin, Pheânol, Anñeâhit Axeâtic, Propanol-1. 4. CH3COOH C3H5(OH)3 C6H5OH CH3CHO C3H7OH __ __ __ __ Quì tím Hoùa ñoû __ AgNO3/NH3 __ __ Ag __ __ ddBr2 traéng __ Cu(OH)2 Dd X.thaãm

  10. BAØI TAÄP NHAÄN BIEÁT Nhaän bieát: Axit Fomic, Axit Axeâtic, Axit Acrylic, Röôïu EÂtylic, Pheânol, Añeâhyt Axeâtic, EÂtyl Axeâtat. 5. HCOOH CH3COOH C2H3COOH C2H5OH C6H5OH CH3CHO CH3COOC2H5 __ __ __ __ Quì tím Hoùa ñoû Hoùa ñoû Hoùa ñoû AgNO3/NH3 __ __ __ __ __ Ag Ag __ __ __ Maát maøu traéng ddBr2 __ H2 Na

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