1
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In Buckminster fullerene, the number of six membered carbon rings is ' $x$ ' and five membered carbon rings is ' $y$ '. $(x+y)$ value is
A

30

B

31

C

32

D

33

2
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

List-I
(Metal in drinking water)
List-II
(Maximum prescribed concentration in ppm)
(A) Mn (I) 0.05
(B) Zn (II) 3.0
(C) Cd (III) 0.005
(D) Cu (IV) 5.0

The correct answer is

A

A-IV, B-II, C-I, D-III

B

A-I, B-III, C-IV, D-II

C

A-III, B-II, C-IV, D-I

D

A-I, B-IV, C-III, D-II

3
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following

Statement I Kolbe's electrolysis of sodium propionate gives $n$-hexane as product.

Statement II In Kolbe's process $\mathrm{CO}_2$ is liberated at anode and $\mathrm{H}_2$ is liberated at cathode.

Correct answer is

A

Both statement-I and statement-II are correct

B

Both statement-I and statement-II are not correct

C

Statement-I is correct, but statement-II is not correct

D

Statement-I is not correct, but statement-II is correct

4
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct decreasing order of priority for the functional group of organic compounds in the IUPAC method of nomenclature is

A

$-\mathrm{CHO}>-\mathrm{OH}>-\mathrm{CONH}_2>-\mathrm{COCl}$

B

$-\mathrm{CONH}_2>-\mathrm{CHO}>-\mathrm{COCl}>-\mathrm{OH}$

C

$-\mathrm{COCl}>-\mathrm{CONH}_2>-\mathrm{CHO}>-\mathrm{OH}$

D

$-\mathrm{CHO}>-\mathrm{CONH}_2>-\mathrm{COCl}>-\mathrm{OH}$