AP EAPCET 2025 - 21st May Morning Shift | Hydrocarbons Question 7 | Chemistry

$$ \begin{aligned} &\text { Consider the following reaction sequence }\\ &\text { Vinyl benzene } \xrightarrow[\Delta]{\mathrm{KMnO}_4+\mathrm{KOH}} X \xrightarrow[\Delta]{\mathrm{NaOH}+\mathrm{CaO}} Y \end{aligned} $$

$' Y$ ' can also be formed from

polymerisation of ethylene

polymerisation of propyne

aromatisation of $n$-hexane

aromatisation of $n$-heptane

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

When ethyl bromide and $n$-propyl bromide are allowed to react with Na metal in dry ether, the number of different alkanes formed is

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

$$ \text { Consider the following sequence of reactions } $$

AP EAPCET 2025 - 21st May Morning Shift Chemistry - Hydrocarbons Question 8 English

The incorrect statement about $z$ is

z gives yellow precipitate of $\mathrm{CHI}_3$ with $\mathrm{NaOH}+\mathrm{I}_2$, solution.

z gives isopropyl alcohol on reduction with $\mathrm{H}_2$ in the presence of Pd catalyst.

z on reaction with $\mathrm{CH}_3 \mathrm{MgBr}$ followed by hydrolysis gives $2^{\circ}$ alcohols.

$z$ does not give positive test with Fehling's reagent.

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

$$ \text { What are } x \text { and } y \text { in the following reaction sequence? } $$

AP EAPCET 2025 - 21st May Morning Shift Chemistry - Hydrocarbons Question 7 English

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}_2 \mathrm{SO}_4 ; \mathrm{KMnO}_4 / \mathrm{H}^{+}$

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}_2 \mathrm{SO}_4 ; \mathrm{PCC}$

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}_2 \mathrm{SO}_4, \mathrm{Hg}^{2+} ; \mathrm{KMnO}_4 / \mathrm{H}^{+}$

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}_2 \mathrm{SO}_4, \mathrm{Hg}^{2+} ; \mathrm{PCC}$

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