1
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The ion with $4 f^7$ configuration is

A

$\mathrm{Pr}^{3+}$

B

$\mathrm{Lu}^{3+}$

C

$\mathrm{Eu}^{2+}$

D

$\mathrm{Ce}^{4+}$

2
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is the common monomer for the polymers bakelite and melamine?

A
AP EAPCET 2025 - 21st May Evening Shift Chemistry - Polymers Question 11 English Option 1
B
AP EAPCET 2025 - 21st May Evening Shift Chemistry - Polymers Question 11 English Option 2
C

$\mathrm{HO}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$

D

$\mathrm{CH}_3-\mathrm{OH}$

3
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Activation energy for the hydrolysis of sucrose by acid is $X \mathrm{~kJ} \mathrm{~mol}^{-1}$ whereas activation energy for the hydrolysis of sucrose by sucrase is $Y \mathrm{~kJ} \mathrm{~mol}^{-1} . X$ and $Y$ respectively are

A

$6.22,2.15$

B

$2.15,6.22$

C

$6.22,6.22$

D

$2.15,2.15$

4
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The structure of the nitrogen containing heterocyclic base given below represents

AP EAPCET 2025 - 21st May Evening Shift Chemistry - Biomolecules Question 17 English
A

thymine

B

adenine

C

cytosine

D

uracil