NEET UG 2009 — Organic Chemistry

Structures of some common polymers are given which one is not correctly presented?

Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

The state of hybridization of $\mathrm{C}_2, \mathrm{C}_3, \mathrm{C}_5$ and $\mathrm{C}_6$ of the hydrocarbon -  is in the following sequence :

The straight chain polymer is formed by -

The segment of DNA, which acts as the instrumental manual for the synthesis of the protein is

Predict the product, 

Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

Nitrobenzene can be prepared from benzene by using a mixutre of conc $\mathrm{HNO}_3$ and conc. $\mathrm{H}_2 \mathrm{SO}_4$. In the mixture, nitric acid acts as a/an :

The IUPAC name of the compound having the formula $\mathrm{CH} \equiv \mathrm{C}-\mathrm{CH}=\mathrm{CH}_2$ is -

Benzene reacts with $\mathrm{CH}_3 \mathrm{Cl}$ in the presence of anhydrous $\mathrm{AlCl}_3$ to form -

Propionic acid with $\mathrm{Br}_2-\mathrm{P}$ yields a dibromo product. Its structure would be

$$ \text { Predict the product : } $$ 

Propionic acid with $\mathrm{Br}_2 / \mathrm{P}$ yields a dibromo product, Its structure would be -

Nitrobenzene can be prepared from benzene by using a mixture of conc. $\mathrm{HNO}_3$ and conc. $\mathrm{H}_2 \mathrm{SO}_4$. In the mixture, nitric acid acts as a/an -

$$ \text { Consider the following reaction } $$  The product $Z$ is :

$\mathrm{H}_2 \mathrm{COH} . \mathrm{CH}_2 \mathrm{OH}$ on heating with periodic acid gives :

$$ \text { Consider the following reaction : } $$ 

The IUPAC name of the compound having the formula $\mathrm{CH} \equiv \mathrm{C}-\mathrm{CH}=\mathrm{CH}_2$ is

Which of the following reactions is an example of nucleophilic substitution reaction?

Consider the following reaction, Phenol $\stackrel{\mathrm{Zn} \text { dust }}{\longrightarrow} \mathrm{X} \underset{\text { Anhydrous } \mathrm{AlCl}_3}{\stackrel{\mathrm{CH}_3 \mathrm{Cl}}{\longrightarrow}} \mathrm{Y} \stackrel{\begin{array}{l}\text { Alkaline } \\ \mathrm{KMnO}\end{array}}{\longrightarrow} \mathrm{Z}$, the product, $Z$, is

Trichloroacetaldehyde, $\mathrm{CCl}_3 \mathrm{CHO}$ reacts with chlorobenzene in presence of sulphuric acid and produces

$\mathrm{H}_2 \mathrm{COH} \cdot \mathrm{CH}_2 \mathrm{OH}$ on heating with periodic acid gives

Trichloroacetaldehyde, $\mathrm{CCl}_3 \mathrm{CHO}$ reacts with chlorobenzene in presence of sulphuric acid and produces -

Consider the following reaction,  the product $Z$, is

Benzene reacts with $\mathrm{CH}_3 \mathrm{Cl}$ in the presence of anhydrous $\mathrm{AlCl}_3$ to form