Chemistry Organic Chemistry questions from NEET UG 2004.
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:
Camphor is often used in molecular mass determination because
Number of chiral carbon in $\beta-D-(+)$ glucose is:
Reaction of $\mathrm{HBr}$ with propene in the presence of peroxide gives:
The correct statement in respect of protein haemoglobin is that it:
The $\mathrm{OH}$ group of an alcohol or the$\mathrm{COOH}$ group of a carboxylic acid can be replaced by $-\mathrm{Cl}$ using:
The helical structure of protein is stabilized by:
The hormone that helps in the conversion of glucose to glycogen is:
The molecular formula of diphenyl methane:  How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom?
Using anhydrous $\mathrm{AlCl}_3$ as catalyst, which one of the following reactions produces ethylbenzene $(\mathrm{PhEt})$ ?
Which of the following is least reactive in a nucleophilic substitution reaction?
Which of the following structures represents the peptide chain?
Which one of the following can be oxidised to the corresponding carbonyl compound?
Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?