NEET UG 2004 — Organic Chemistry

Using anhydrous $\mathrm{AlCl}_3$ as catalyst, which one of the following reactions produces ethylbenzene $(\mathrm{PhEt})$ ?

The correct statement in respect of protein haemoglobin is that it:

Which one of the following can be oxidised to the corresponding carbonyl compound?

The $\mathrm{OH}$ group of an alcohol or the$\mathrm{COOH}$ group of a carboxylic acid can be replaced by $-\mathrm{Cl}$ using:

Which of the following is least reactive in a nucleophilic substitution reaction?

Camphor is often used in molecular mass determination because

The hormone that helps in the conversion of glucose to glycogen is:

A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?

Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be:

Which of the following structures represents the peptide chain?

The helical structure of protein is stabilized by:

Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

Reaction of $\mathrm{HBr}$ with propene in the presence of peroxide gives:

The molecular formula of diphenyl methane:  How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom?

Number of chiral carbon in $\beta-D-(+)$ glucose is: