1
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { What are } X \text { and } Y \text { in the following reaction sequence? } $$

$$ \mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} \mathrm{Cl}^{-} \xrightarrow{X} \mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O}]{\text { (i) } \mathrm{CH}_3 \mathrm{MgBr}} Y $$

A

$\mathrm{KCN} ; \mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3$

B
$\mathrm{KCN} ; \mathrm{C}_6 \mathrm{H}_5 \mathrm{C}(\mathrm{OH})\left(\mathrm{CH}_3\right)_2$
C

$\mathrm{CuCN} \mid \mathrm{KCN} ; \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_3$

D

$\mathrm{CuCN} \mid \mathrm{KCN} ; \mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3$

2
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $A=\left\{x \in R / \sin ^{-1}\left(\sqrt{x^2+x+1}\right) \in\left(-\frac{\pi}{2}, \frac{\pi}{2}\right)\right\}$ and $B=\left\{y \in R / y=\sin ^{-1}\left(\sqrt{x^2+x+1}\right), x \in A\right\}$, then
A

$A \cap B \neq \phi$

B

$A \cap B^C=[0,1]$

C

$A^C \cap B=\left[\frac{\pi}{3}, \frac{\pi}{2}\right]$

D

$A \cup B=R-\left\{[-1,0] \cup\left[\frac{\pi}{3}, \frac{\pi}{2}\right]\right\}$

3
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The domain of the function, $f(x)=\sqrt{\log _e\left(\frac{1}{x^2-4 x+4}\right)}+\sin ^{-1}\left(x^2-2\right)$ is

A

$[1,3]$

B

$[1,3)$

C

$[1, \sqrt{3}]$

D

$[1, \sqrt{3})$

4
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
For all $n \in N$, if $n\left(n^2+3\right)$ is divisible by $k$, then the maximum value of $k$ is
A

4

B

6

C

8

D

2