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

$$ \text { Which of the following has lowest } \mathrm{p} K_a \text { value? } $$

A

TG EAPCET 2025 (Online) 3rd May Evening Shift Chemistry - General Organic Chemistry Question 14 English Option 1

B

TG EAPCET 2025 (Online) 3rd May Evening Shift Chemistry - General Organic Chemistry Question 14 English Option 2

C

TG EAPCET 2025 (Online) 3rd May Evening Shift Chemistry - General Organic Chemistry Question 14 English Option 3

D

TG EAPCET 2025 (Online) 3rd May Evening Shift Chemistry - General Organic Chemistry Question 14 English Option 4

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

The correct statement about the products $B$ and

$C$ in the given reactions are

$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[\text { Anhy. } \mathrm{ZnCl}_2]{\mathrm{HCl}} A \xrightarrow[\text { AgCN }]{\text { Ethanolic }} \underset{\text { Minor }}{B}+\underset{\text { Major }}{C} $$

I. $B$ and $C$ are functional isomers.

II. With $\mathrm{H}_2 /$ Catalyst $B$ gives $1^{\circ}$ amine and $C$ gives $2^{\circ}$ amine.

III. $B$ on acid hydrolysis given formic acid and C gives $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_2$.

IV. $C$ forms isocyanate with HgO

A

I and III

B

II and III

C

I, II and IV

D

II, III and IV

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

Let $f: R \rightarrow R$ be defined by $f(x)=5^{-|x|}+\operatorname{sgn}\left(5^{-x}\right)$, where sgn $x$ denotes signum function of $x$. Then $f$ is

A

One-one but not onto

B

Onto but not one-one

C

Both one-one and onto

D

Neither one-one nor onto

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

If the range of the real valued function $f(x)=\frac{x^2+x+k}{x^2-x+k}$ is $\left[\frac{1}{3}, 3\right]$, then $k=$

A

-2

B

-1

C

1

D

2

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