Hydrocarbons · Chemistry · AP EAPCET
MCQ (Single Correct Answer)
Consider the sets I, II and III. Identify the set(s) which is (are) correctly matched.
I. Staggered ethane > eclipsed ethane ..........torsional strain.
II. 2, 2-dimethylbutane > 2-methylpentane ......... boiling point
III. cis-but-2-ene > trans-but-2-ene ......... dipole moment
The empirical formula weight of ' $Z$ ' in the given reaction sequence is
$$ n \text {-propyl bromide } \xrightarrow[\text { Dry ether }]{\mathrm{Na}} X \xrightarrow[\substack{773 \mathrm{~K} \\ 20 \mathrm{~atm}}]{\mathrm{v}_2 \mathrm{O}_5} Y \xrightarrow[\text { UV } 500 \mathrm{~K}]{\mathrm{Cl}_2} Z $$
Which one of the following compounds does not give benzoic acid when treated with alkaline $\mathrm{KMnO}_4$ ?
Consider the following
Statement I Kolbe's electrolysis of sodium propionate gives $n$-hexane as product.
Statement II In Kolbe's process $\mathrm{CO}_2$ is liberated at anode and $\mathrm{H}_2$ is liberated at cathode.
Correct answer is
The catalyst used for the isomerisation of $n$-alkanes to branched chain alkanes is
What are $X$ and $Y$ respectively, in the following set of reactions?

$$ \begin{aligned} &\text { Consider the following reaction sequence }\\ &\text { Vinyl benzene } \xrightarrow[\Delta]{\mathrm{KMnO}_4+\mathrm{KOH}} X \xrightarrow[\Delta]{\mathrm{NaOH}+\mathrm{CaO}} Y \end{aligned} $$
$' Y$ ' can also be formed from
When ethyl bromide and $n$-propyl bromide are allowed to react with Na metal in dry ether, the number of different alkanes formed is
$$ \text { Consider the following sequence of reactions } $$
The incorrect statement about $z$ is
$$ \text { What are } x \text { and } y \text { in the following reaction sequence? } $$

Toluene on reaction with the reagent $X$ gave $Y$, which dissolves in $\mathrm{NaHCO}_3$ and when reacted with $\mathrm{Br}_2 / \mathrm{Fe}$ gave $Z$. What are $X$ and $Z$ ?
What are $X$ and $Y$ respectively in the following reaction sequence?

Conversion of $X$ to $Y$ is an example ofIn Kolbe's electrolysis of sodium propanoate, products formed at anode and cathode are respectively
In Wurtz-Fittig reaction a compound $X$ reacts with alkyl halide. What is $X$ ?

Hydrolysis of an alkyl bromide $\left(\mathrm{C}_5 \mathrm{H}_{11} \mathrm{Br}\right)$ follows first order kinetics. Reaction of $X$ with Mg in dry ether followed by treatment of $\mathrm{D}_2 \mathrm{O}$ gave $Y$, What is $Y$ ?

An alkene $X\left(\mathrm{C}_4 \mathrm{H}_8\right)$ on reaction with HBr gave $Y\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Br}\right)$. Reaction of $Y$ with benzene in the presence of anhydrous $\mathrm{AlCl}_3$ gave Z which is resistant to oxidation with $\mathrm{KMnO}_4-\mathrm{KOH}$. What are $X, Y, Z$ respectively?
An alkene $X\left(\mathrm{C}_4 \mathrm{H}_8\right)$ does not exhibit cis-trans is memerisn Reaction of $X$ with $\mathrm{Br}_2$ in the presence of UV light gane $Y$. What is $Y$ ?
What are $X$ and $Y$ respectively in the following reaction sequence?
$$ \text { Isopentane } \xrightarrow{\mathrm{KMnO}_4} X \xrightarrow{\text { Dehydration }} Y \text { Major } $$
The product formed when a hydrocarbon $$X$$ of molecular formula $$\mathrm{C}_6 \mathrm{H}_{10}$$ is reacted with sodamide is subjected to ozonolysis, followed by hydrolysis with $$\mathrm{Zn} / \mathrm{H}_2 \mathrm{O}_2$$ and upon further oxidation gave two carboxylic acids, of which one is optically active. The hydrocarbon '$$X$$' is
Identify the product of the following reaction.
