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

Which of the following complexes exhibit geometrical isomerism?

I. $\left[\mathrm{Co}(\mathrm{en})\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right] \mathrm{Cl}$

II. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl}$

III. $\left[\mathrm{Co}(\mathrm{en})_3, \mathrm{Cl}_3\right.$

IV. $\left[\mathrm{Co}(\mathrm{en})_2 \mathrm{Cl}_2\right] \mathrm{Br}$

A

I, II and III only

B

II, III and IV only

C

I, II and IV only

D

II and III only

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

In which polymer preparation, Ziegler- Natta catalyst is used?

A

Low density polythene

B

Telfon

C

Polyacrylonitrile

D

High density polythene

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

The incorrect statement about amylose is

A

it is water soluble.

B

in this $\alpha-\mathrm{D}-(+)$-glucose units are held by $\mathrm{C}-1$ to $\mathrm{C}-4$ glycosidic linkages.

C

it is highly branched polymer of $\alpha-\mathrm{D}-(+)$-glucose units.

D

it is present in strach to an extent of $15-20 \%$.

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

The improper functioning of ' $X$ ' results in Addison's disease. Hormone ' $Y$ ' is responsible for the development of secondary female characteristics. ' $X$ ' and ' $Y$ ' are respectively

A

adrenal cortex, estradiol

B

adrenal cortex, progesterone

C

thyroid, progesterone

D

thyroid, estradiol