1
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules is colourless?

A

$\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ (crystal)

B

$\mathrm{CuSO}_4$ (anhydrous)

C

$\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}(\mathrm{aq})$

D

$\left[\mathrm{CuCl}_4\right]^{2-}(a q)$

2
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following vinyl derivatives is the most reactive towards anionic polymerisation?

A

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CH}_3$

B

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{OE}$

C

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{Cl}$

D

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{C} \equiv \mathrm{N}$

3
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Amino acids containing heterocyclic ring are

(i) Histidine

(ii) Valine

(iii) Arginine

(iv) Proline

A

(i), (iv)

B

(ii), (iii)

C

(i), (iii)

D

(ii), (iv)

4
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is an arsenic based antibiotic drug, for which Paul Ehrlich was awarded Noble prize in 1908.

A

Salvarsan

B

Penicillin

C

Prontosil

D

Sulphapyridine

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