1
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The sequence of reagents which convert $p$-methyl aniline to $p$-methyl benzoic acid are

A

$\mathrm{KMnO}_4 / \mathrm{H}^{+} ; \mathrm{NaNO}_2+\mathrm{HCl} ; \mathrm{Cu} / \mathrm{HCl}$

B

$\mathrm{NaNO}_2+\mathrm{HCl} / 273 \mathrm{~K} ; \mathrm{Cu} / \mathrm{HCl} ; \mathrm{KMnO}_4 / \mathrm{H}^{+}$

C

$\mathrm{NaNO}_2+\mathrm{HCl} / 273 \mathrm{~K}$; $\mathrm{CuCN} / \mathrm{KCN}$; $\mathrm{H}_3 \mathrm{O}^{+}$

D

$\mathrm{NaNO}_2+\mathrm{HCl} / 285 \mathrm{~K} ; \mathrm{KCN} ; \mathrm{H}_3 \mathrm{O}^{+}$

2
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An amine $(X)$ reacts with $p$-toluene sulphonyl chloride to give the product $Y$, which is insoluble in alkali. The product of $X$ with benzoyl chloride is

A

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Compounds Containing Nitrogen Question 18 English Option 1

B

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Compounds Containing Nitrogen Question 18 English Option 2

C

$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NHCOC}_6 \mathrm{H}_5 $$

D

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Compounds Containing Nitrogen Question 18 English Option 4

3
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following functions is a bijection?

A

$f: R-Z \rightarrow[0,1]$ defined by $f(x)=\sqrt{x-[x]}$. (Here $[x]$ represents the greatest integer function)

B

$f: R \rightarrow(-\infty, 2)$ defined by $f(x)=4 x-x^2-3$

C

$f:(5, \infty) \rightarrow R-\{0\}$ defined by $f(x)=\frac{1}{\sqrt{x-5}}$

D

$f:[0,4] \rightarrow[0,4]$ defined by $f(x)=\sqrt{16-x^2}$

4
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The domain of the real valued function $f(x)=\frac{\sqrt{|x|-x}}{\sqrt{x-[x]}}$ is

A

Z

B

$\phi$

C

$R-Z$

D

$R$

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