12 Chemistry Alcohols Phenols Ethers Test 04 Answer Se3g
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Transcript of 12 Chemistry Alcohols Phenols Ethers Test 04 Answer Se3g
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Material downloaded from http://myCBSEguide.com and http://onlineteachers.co.in Portal for CBSE Notes, Test Papers, Sample Papers, Tips and Tricks
CBSE TEST PAPER-04
CLASS - XII CHEMISTRY (Alcohols, phenols and Ethers)
Topic:- Identification Question.
[ANSWERS]
Ans 1.
Ans 2.
Ans 3. The compound X is CH3Br and Y is CH3MgBr The compounds of the type Y are called
Grignard reagent.
Ans 4. The compound B is obtained by oxidation of C4H10O and gives positive iodoform test
and also reacts with CH3MgBr , it must be methyl Ketone , it must be methyl ketone
having four carbon atoms i.e, CH3COCH2CH3 .
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Material downloaded from http://myCBSEguide.com and http://onlineteachers.co.in Portal for CBSE Notes, Test Papers, Sample Papers, Tips and Tricks
This can be obtained by oxidation of 2 butanol i.e , CH3 CH CH2 CH3 Therefore , the
reactions are. OH
Ans 5.
The aromatic compound having molecular formula C6H6O and which gives a mixture of
two isomers on reacting with CHCl3 and KOH is phenol i.e.
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Material downloaded from http://myCBSEguide.com and http://onlineteachers.co.in Portal for CBSE Notes, Test Papers, Sample Papers, Tips and Tricks
Ans 6.
Since acetic acid & propionic acid are the products of oxidation of C which is a ketone, C is
CH3 CH2 CH2CO CH3. Since it is the oxidation product of B, therefore
The reactions are
Ans 7.
Ans 8.