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

Which of the following statements is not the result of cathode ray discharge tube experiment with perforated anode?

A

In the absence of electric or magnetic field, the cathode rays travel in straight line.

B

In the presence of electric or magnetic field, the behaviour of cathode rays is similar to that expected from negatively charged particles.

C

In the presence of electric and magnetic field, the cathode rays travel in straight line.

D

The cathode rays starts from the cathode and move toward the anode.

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

The highest oxidation state observed in first row transition metals is

A

+6

B

+7

C

+8

D

+9

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

Based on the quantum numbers, what will be the maximum number of element for sixth period of the periodic table?

A

22

B

30

C

32

D

34

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

Let's assume the $\mathrm{C}_1 \equiv \mathrm{C}_2$ bond is acetylene is along $Z$-axis. Find out the correct combination of atomic orbitals with non-zero overlapping.

A

$2 p_x$ of $\mathrm{C}_1$ and $2 p_y$ of $\mathrm{C}_2$

B

$2 p_z$ of $\mathrm{C}_1$ and $2 p_y$ of $\mathrm{C}_2$

C

$2 p_x$ of $C_1$ and 2 s of $C_2$

D

$2 p_z$ of $C_1$ and $2 p_z$ of $C_2$

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