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

Among the following series of transition metal ions, the one in which all the metal ions have $3 d^2, 3 p^6$ electronic configuration is

(Atomic number, $\mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Cr}=24$, $\mathrm{Mn}=25$ )

A

$\mathrm{Ti}^{3+}, \mathrm{V}^{2+}, \mathrm{Cr}^{3+}$ and $\mathrm{Mn}^{4+}$

B

$\mathrm{Ti}^{+}, \mathrm{V}^{4+}, \mathrm{Cr}^{6+}$ and $\mathrm{Mn}^{7+}$

C

$\mathrm{Ti}^{4+}, \mathrm{V}^{3+}, \mathrm{Cr}^{2+}$ and $\mathrm{Mn}^{3+}$

D

$\mathrm{Ti}^{2+}, \mathrm{V}^{3+}, \mathrm{Cr}^{4+}$ and $\mathrm{Mn}^{5+}$

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

The correct match for complex with its magnetic behaviour in the following is

A

$\left[\mathrm{Zn}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; paramagnetic

B

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$; diamagnetic

C

$\left[\mathrm{CoF}_6\right]^{3-}$; diamagnetic

D

$\left[\mathrm{V}\left(\mathrm{OH}_2\right)_6\right]^{2+}$; diamagnetic

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

Which of the following are synthetic rubbers?

(i) Terylene

(ii) Buna-S

(iii) Buna-N

(iv) Neoprene

(v) Polyacrylonitrile

A

(i), (ii) and (iii)

B

(ii), (iv) and (v)

C

(ii), (iii) and (iv)

D

(i), (ii) and (iv)

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

$$ \text { Choose the correct Zwitter ionic form for aspartic acid. } $$

A

TS EAMCET 2020 (Online) 10th September Evening Shift Chemistry - Biomolecules Question 5 English Option 1

B

TS EAMCET 2020 (Online) 10th September Evening Shift Chemistry - Biomolecules Question 5 English Option 2

C

TS EAMCET 2020 (Online) 10th September Evening Shift Chemistry - Biomolecules Question 5 English Option 3

D

TS EAMCET 2020 (Online) 10th September Evening Shift Chemistry - Biomolecules Question 5 English Option 4

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