1
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Boron trifluoride on reaction with lithium aluminium hydride in ether gives $\mathrm{LiF}^{\circ} \mathrm{AlF}_3$ and $X . X$ on reaction with $\mathrm{NH}_3$ gives $Y$. $Y$ on further heating gives a compound $Z$. The number of $\sigma$-bonds and $\pi$-bonds in $Z$ are $x$ and $y$ respectively. $(x+y)$ is equal to

A

15

B

12

C

14

D

18

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

Consider the following sequence of reaction

$$ 2 \mathrm{CH}_3 \mathrm{Cl}+\mathrm{Si} \xrightarrow[573 \mathrm{~K}]{\mathrm{Cu}} X \xrightarrow{\mathrm{H}_2 \mathrm{O}} Y \xrightarrow{\text { Polymerisation }} Z $$

The repeating structural unit in Z is

A

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Polymers Question 13 English Option 1

B

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Polymers Question 13 English Option 2

C

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Polymers Question 13 English Option 3

D

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Polymers Question 13 English Option 4

3
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is not the common component of photochemical smog?

A

Ozone

B

Formaldehyde

C

Acrolein

D

Sulphur dioxide

4
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the compound $(Z)$ in the following reaction sequence

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Haloalkanes and Haloarenes Question 17 English

A

propanal

B

propanone

C

propanoic acid

D

propanamide

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