'Bromine water' diaporamas de présentation

Analysis

1.42k views • 97 slides

iGCSE chemistry Section 3 lesson 2

iGCSE chemistry Section 3 lesson 2. Content. The iGCSE Chemistry course. Section 1 Principles of Chemistry Section 2 Chemistry of the Elements Section 3 Organic Chemistry Section 4 Physical Chemistry Section 5 Chemistry in Society. Content. Section 3 Organic Chemistry.

913 views • 64 slides

Crude Oil

28 th September. Crude Oil. MUST know how oil formed SHOULD describe FRACTIONAL DISTILLATION . CRUDE OIL. What is the environmental impact of crude oil?. Oil experts rush to stem huge spill in Nigeria. CRUDE OIL. What is the economic importance of crude oil?.

1.73k views • 53 slides

Electrophilic Attack

Electrophilic Attack. Electrophile substitutes for a hydrogen on the benzene ring. Electrophilic Aromatic Substitution. Mechanism. =>. Requires a stronger electrophile than Br 2 . Use a strong Lewis acid catalyst, FeBr 3 . Bromination of Benzene. Energy Diagram for Bromination. =>.

686 views • 42 slides

Alkanes

Alkanes. Alkanes. Alkanes are hydrocarbons in which all carbon atoms are bonded by single covalent bonds Alkanes are said to be saturated because all the bonds are single bonds. The alkanes are named according to the number of carbon atoms (methane, ethane, propane, butane, pentane etc.)

656 views • 31 slides

Position Isomers Alkenes and alkanes

Position Isomers Alkenes and alkanes. Use the models to find the isomers of butene and butane Draw them Name them Also identify the types of bonding in each How does the bonding affect the reactivity? How can I tell the difference between cyclohexene and cyclohexane?.

501 views • 30 slides

Organic analysis

Organic analysis. L.O. Be able to identify organic groups. Look at table 1. page 129. . Analysis Bingo. Draw a 3x2 grid: Enter in each grid any of these: Alkene, RCl, ROH, RCOOH , RCOCl, RCHO, RBr, RI, . Test 1: Shake with bromine water Result 1: Red-brown colour disappears Test 2:

326 views • 21 slides

TANNINS

TANNINS. Tannins Tannins is a substance found naturally in many different plants, most in grapes and tea leaves ,precipitate proteins from their aqueous solutions. Types of hydrolysable tannin: A- Gallitannin On hydrolysis , it gives gallic acid and glucose. Present in clove..

1.26k views • 19 slides

Plant oils and their uses

Plant oils and their uses. Plant oils and their uses. Click to continue. Overview. Many plants produce useful oils that can be converted into consumer products including processed foods. Emulsions can be made and have a number of uses. Vegetable oils can be hardened to make margarine.

307 views • 11 slides

Sigma Complex

Sigma Complex. Intermediate is more stable if nitration occurs at the ortho or para position. =>. Energy Diagram. =>. =>. Activating, O -, P - Directing Substituents. Alkyl groups stabilize the sigma complex by induction , donating electron density through the sigma bond.

556 views • 10 slides

Plant Oils

311 views • 9 slides

169 views • 8 slides

ETHANOL C 2 H 5 OH

177 views • 4 slides

Halogen Displacement

Write an equation to show the reactions which are taking place in tubes 1,2 and 4. Halogen Displacement. KBr added. KI added. KI added. Bromine water. KCl added. Chlorine water. Iodine water. KBr added. KCl added. Colour change Yes Yes No Yes No No.

1.71k views • 1 slides