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KCET 2017 Chemistry Solved Paper
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Question : 48
Total: 60
Cannizzaro's reaction is an example of auto oxidation
It is a typical reaction of aliphaticaldehyde.
It is a reaction answered only by aromaticaldehydes.
It is a reaction answered by all aldehydes.
It is a reaction answered by only aldehydes containing α -hydrogen.
None of the above
Validate
Solution:
Cannizzaro reaction is an example auto oxidation. Aldehydes which do not contains a- hydrogen atom such as benzaldehyde
(
C
6
H
5
C
H
O
)
, formaldehyde (HCHO)undergo auto-oxidation and reduction when treated with concentrated alkali.
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