1
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the given sequence of reactions,

$$ \mathrm{C}_2 \mathrm{H}_6+\frac{3}{2} \mathrm{O}_2 \xrightarrow[\Delta]{(\mathrm{CH}, \mathrm{COO})_2 \mathrm{Mn}} X \xrightarrow{\mathrm{Na}} Y $$

Electrolysis of aqueous solution of $Y$ gives gases $P$ and $Q$ at anode. $P$ and $Q$ are respectively

A

$\mathrm{C}_2 \mathrm{H}_6, \mathrm{CO}_2$

B

$\mathrm{CH}_4, \mathrm{CO}_2$

C

$\mathrm{C}_2 \mathrm{H}_6, \mathrm{H}_2$

D

$\mathrm{CH}_4, \mathrm{CO}$

2
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When sodium fusion extract of an organic compound is boiled with iron (II)sulphate solution followed by addition of concentrated $\mathrm{H}_2 \mathrm{SO}_4$, gives prussian blue colour. This confirms the presence of the element

A

sulphur

B

chlorine

C

phosphorus

D

nitrogen

3
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is an example of electrophilic substitution reaction?

A

$\mathrm{CH}_3 \mathrm{CHO}+\mathrm{HCN} \longrightarrow \mathrm{CH}_3 \mathrm{CH}(\mathrm{OH}) \mathrm{CN}$

B

$\left(\mathrm{CH}_3\right)_3 \mathrm{CX}+\mathrm{H}_2 \mathrm{O} \longrightarrow\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{OH}+\mathrm{HX}$

C

$\mathrm{C}_6 \mathrm{H}_6+\mathrm{CH}_3 \mathrm{COCl} \xrightarrow{\mathrm{AlCl}_3} \mathrm{C}_6 \mathrm{H}_5\left(\mathrm{COCH}_3\right)+\mathrm{HCl}$

D

$\mathrm{BrCH}_2 \mathrm{CH}_2 \mathrm{Br}+\mathrm{Zn} \xrightarrow[\Delta]{\text { Alcohol }} \mathrm{CH}_2=\mathrm{CH}_2+\mathrm{ZnBr}_2$

4
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An alkene $X$ on ozonolysis gives a mixture of simplest ketone $(Y)$ and 3-pentanone. The IUPAC name of the alkene $X$ is

A

2, 3-dimethylbut-2-ene

B

3-ethyl-4-methylpent-3-ene

C

3-ethyl-2-methylpent-2-ene

D

2-methyl-3-ethylpent-2-ene

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