1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following when present in excess in drinking water causes the disease methemoglobinemia?

A

$\mathrm{SO}_4^{2-}$

B

$\mathrm{NO}_3^{-}$

C

$\mathrm{F}^{-}$

D

Pb

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { IUPAC name of the following compound is } $$

AP EAPCET 2025 - 23rd May Evening Shift Chemistry - IUPAC Nomenclatures Question 2 English
A

2-methyl-4-ethylhexane

B

4-ethyl-2-methylhexane

C

5-methyl-3-ethylhexane

D

3-ethyl-5-methylhexane

3
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The empirical formula weight of ' $Z$ ' in the given reaction sequence is

$$ n \text {-propyl bromide } \xrightarrow[\text { Dry ether }]{\mathrm{Na}} X \xrightarrow[\substack{773 \mathrm{~K} \\ 20 \mathrm{~atm}}]{\mathrm{v}_2 \mathrm{O}_5} Y \xrightarrow[\text { UV } 500 \mathrm{~K}]{\mathrm{Cl}_2} Z $$

A

47.5

B

54.5

C

84.5

D

48.5

4
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If AgCl is doped with $1 \times 10^{-4}$ mole percent of $\mathrm{CdCl}_2$ the number of cation vacancies (in $\mathrm{mol}^{-1}$ ) is

A

$6.023 \times 10^{19}$

B

$6.023 \times 10^{21}$

C

$6.023 \times 10^{17}$

D

$6.023 \times 10^{23}$