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,

CH C

O

OHCH2

Test 1:Shake with bromine water

Result 1: Red-brown colour disappears

Test 2: Add sodium hydrogencarbonate solutionResult 2:Solution does not fizz.

• Test:

Add AgNO3(aq)

Result white precipitate

Test 1:Shake with bromine water

Result 1: Red-brown colour disappears

Test 2: Add sodium hydrogencarbonate solutionResult 2:Solution fizzes.

• Test:Fehling’s solution.

Result:Blue colour turns to red precipitate

Test:1.Add NaOH2.HNO3

3.AgNO3(aq)

Result:Cream solid. Dissolves with NH3

• Test 1:Tollen’s solutionResult 1:No silver mirror• Test 2:Add acidified K2Cr2O7

Result 2:Orange colour turns green

• Page 130. Q1

Q2

Q3

Q4

Q5