NEET UG 2016 — Organic Chemistry

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:

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

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:

In the given reaction, the product $P$ is 

Which among the given molecules can exhibit tautomerism ? 

In pyrrole, the electron density is maximum on 

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 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 biphenyls is optically active?

The pair of electron in the given carbanion, $C{H}_{3}C\equiv {C}^{\ominus }$ is present in which of the following orbitals?

For the following reactions: a. ${\mathrm{CH}}_{3}{\mathrm{CH}}_{2}{\mathrm{CH}}_{2}\mathrm{Br}+\mathrm{KOH}\rightarrow {\mathrm{CH}}_{3}\mathrm{CH}={\mathrm{CH}}_{2}+\mathrm{KBr}+{H}_{2}O$ b.  c.  Which of the following statements is correct?

The correct order of strengths of carboxylic acids is 

Which of the following can be used as the halide component for Friedel-Crafts reaction?

The correct statement regarding the basicity of aryl amines is:

Consider the nitration of benzene using mixed conc. ${H}_{2}S{O}_{4}$ and $HN{O}_{3}$ . If a large amount of $KHS{O}_{4}$ is added to the mixture, the rate of nitration will be:

The compound that will react most readily with gaseous bromine has the formula:

In the reaction  X and Y are:

The correct structure of the product $A$ formed in the reaction is 

The reaction  Can be classified as:

The correct corresponding order of names of four aldoses with configuration given below respectively, is 

In a protein molecule various amino acids are linked together by:

Which of the following compounds shall not produce propene by reaction with $\mathrm{HBr}$ followed by elimination or direct only elimination reaction?

The product formed by the reaction of an aldehyde with a primary amine is: