Different reagents used for the identification of different functional groups. Eg. (i)Tollens reagent used for the identification of -CHO, etc. (ii)CA
Different reagents used for the identification of different functional groups.
Eg. (i)Tollens reagent used for the identification of -CHO, etc.
(ii)CAN used for alcohol.
`{:("Column-I","Column-II","Column-III"),((I)"Benzaldehyde",(i)l_2+NaOH(aq.),(P)"Yellow crystals is formed"),((II)"Butan-1-ol",(ii)AgNO_3(aq.)+NH_4OH,(Q)"White ppt is formed"),((III)"Formic ester",(iii)anhy.ZnCl_2+conc.HCl,(R)"Silver mirror is formed"),((IV)"Acetophenone",(iv)(NH_4)_2[Ce(NO_3)_6](CAN),(S)"Wine red colouration"):}`
The only correct combination in which the reation does not proceed through redox mechanism ?
A. (I),(ii),(R)
B. (IV),(i)(P)
C. (II),(iv)(S)
D. (III),(ii)(R)
1 Answers
Correct Answer - C
When CAN react with R-OH there is no redox.
`C_4H_9OH+underset("CAN (a yellow solid)")((NH_4)_2[Ce(NO_3)_6])to[Ce(NO_3)_5(n-C_4H_9O)]^(2-)` Wine red complex
`NH_4^+` ion present as spectators and so not partcipate.