Organic Chemistry PYQ — Page 73
JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
All Organic Chemistry Questions (1783)
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at-
Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is
Which types of isomerism is shown by 2,3-dichlorobutane?
Tertiary alkyl halides are practically inert to substitution by $\mathrm{S}_{\mathrm{N}}{ }^2$ mechanism because of
Acid catalyzed hydration of alkenes except ethene leads to the formation of
The IUPAC name of the compound 
The compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
Acetyl bromide reacts with excess of $\mathrm{CH}_3 \mathrm{Mgl}$ followed by treatment with a saturated solution of $\mathrm{NH}_4 \mathrm{Cl}$ given
Which of the following undergoes reaction with $50 \%$ sodium hydroxide solution to give the corresponding alcohol and acid?
On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is
Which base is present in RNA but not in DNA?
Consider the acidity of the carboxylic acids:
Rate of the reaction 
Which of the following compound is not chiral?
The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
Which one of the following reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon?
Which of the following is the strongest base?
Amongst the following compound, the optically active alkane having lowest molecular mass is
The ammonia evolved from the treatment of $0.30 \mathrm{~g}$ of an organic compound for the estimation of nitrogen was passed in $100 \mathrm{~mL}$ of $0.1 \mathrm{M}$ sulphuric acid. The excess of acid required $20 \mathrm{~mL}$ of $0.5 \mathrm{M}$ sodium hydroxide solution hydroxide solutio for complete neutralization. The organic compound is
Among the following compound which can be dehydrated very easily is
Which of the following will have meso-isomer also?
Which one of the following has the minimum boiling point?
Which one of the following statements is false?
For which of the following parameters the structural isomers $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$ and $\mathrm{CH}_3 \mathrm{OCH}_3$ would be expected to have the same values? (Assume ideal behaviour)