NEET UG Chemistry — Organic Chemistry previous year questions with solutions.
Which one of the following is the most acidic compound?
Which among the following depicts the correct order of acidity?
With respect to the conformers of ethane, which of the following statements is true?
The product formed by the reaction of an aldehyde with a primary amine is:
Which of the following compounds shall not produce propene by reaction with $\mathrm{HBr}$ followed by elimination or direct only elimination reaction?
In pyrrole, the electron density is maximum on 
Which one of the following nitro-compounds does not react with nitrous acid?
Which one given below is a non-reducing sugar?
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is:
In the reaction  X and Y are:
In which of the following molecules, all atoms are coplanar?
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha carbon, is:
The correct corresponding order of names of four aldoses with configuration given below respectively, is 
Which among the given molecules can exhibit tautomerism ? 
The compound that will react most readily with gaseous bromine has the formula:
The correct statement regarding RNA and DNA, respectively is:
The central dogma of molecular genetics states that the genetic information flows from:
Which of the following biphenyls is optically active?
Consider the reaction $\text{C}{\text{H}}_{3}\text{C}{\text{H}}_{2}\text{C}{\text{H}}_{2}\text{B}\text{r}+\text{N}\text{a}\text{C}\text{N}\rightarrow \text{C}{\text{H}}_{3}\text{C}{\text{H}}_{2}\text{C}{\text{H}}_{2}\text{C}\text{N}+\text{N}\text{a}\text{B}\text{r}$ This reaction will be the fastest in
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?
A given nitrogen-containing aromatic compound $A$ reacts with $Sn/HCl$, followed by $HN{O}_{2}$ to give an unstable compound $B$. $B$ on treatment with phenol, forms a beautiful coloured compound $C$ with the molecular formula ${C}_{12}{H}_{10}{N}_{2}O$. The structure of compound $A$ is
Which one of the following compounds shows the presence of intramolecular hydrogen bond?
Which of the following can be used as the halide component for Friedel-Crafts reaction?
The pair of electron in the given carbanion, $C{H}_{3}C\equiv {C}^{\ominus }$ is present in which of the following orbitals?