Chemistry Class 12 Chapter 16
Environmental Chemistry
Test 11


Chemistry Class 12
1.    For aldol condensation necessary condition?




Chemistry Class 12
2.    Acetaldehyde is prepared by the oxidation of?




Chemistry Class 12
3.    In aldehyde the carbonyl group is bonded to?




Chemistry Class 12
4.    Which of the following does not show aldol condensation reaction?




Chemistry Class 12
5.    Aldehydes are reduced to?




Chemistry Class 12
6.    Acetaldehyde cyano hydrine on acid hydrolysis yields?




Chemistry Class 12
7.    Nucleophilic addition reactions are catalyzed?




Chemistry Class 12
8.    Reactivity of carbonyl group is due to?




Chemistry Class 12
9.    When aldehydes are prepared on industry scale the catalyst used is?




Chemistry Class 12
10.    Aldehyde group is mostly present in?
Chemistry Class 12


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