This reaction can best be classified as a An oxidation reaction An S_N 2 reactio

Question

This reaction can best be classified as a An oxidation reaction An S_N 2 reaction A Grignard reaction A claisen rearrangement Product C can be classified as a: 1 degree alcohol 2 degree alcohol 3 degree alcohol ketone aldehyde Which of the following could be used in the conversion below? NaBH_4 LiAlH_4 CrO_3, H_2SO_4 SOCl_2 PCC The C-O stretch in an ether will show up in the IR at 300 cm^-1 1100 cm^-1 1710 cm^-1 2950 cm^-1 3300 cm^-1 The reduction of the aldehyde below with LiAlH_4, yields an aldehyde first, then a primary alcohol a primary alcohol a secondary alcohol a tertiary alcohol a carboxylic acid

Explanation / Answer

Q9) A secondaru alcohol can be oxidised to ketone using potassium dichromate (VI) or chromic acid (VI) which is a mixture of CrO3 and sulphuric acid.

PCC is generally used to partially oxidise primary alcohols to aldehydes.

The other two reagents NaBH4 and LIalH4 are reducing agents .

Q10)

The C-O stretch in ethers is an intense absorption around 1100 cm-1. This is chatracteristic of ethers.

Q11) With LialH4 , aldehydes are reduced to primary alcohol and ketones are reduced to secondary alcohols. Thus when propionaldehyde is reduced with LiALH4, we get n-propyl alcohol.

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