1
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

2
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

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

3
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

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

A solid contains elements $A$ and $B$. Anions of $B$ form ccp lattice. Cations of $A$ occupy 50\% of octahedral voids and 50\% of tetrahedral voids. What is the molecular formula of the solid?

A

$A B_3$

B

$A_3 B_2$

C

$A_2 B_3$

D

$A B$

TS EAMCET Papers

All year-wise previous year question papers