1
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of the metallic character of the elements $$\mathrm{Be}, \mathrm{Al}, \mathrm{Na}, \mathrm{K}$$ is

A
$$\mathrm{K}>\mathrm{Na}>\mathrm{Al}>\mathrm{Be}$$
B
$$\mathrm{K}>\mathrm{Al}>\mathrm{Na}>\mathrm{Be}$$
C
$$\mathrm{Al}>\mathrm{K}>\mathrm{Na}>\mathrm{Be}$$
D
$$\mathrm{Na}>\mathrm{K}>\mathrm{Be}>\mathrm{Al}$$
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following tetrahalides does not exist?

A
$$\mathrm{CCl}_4$$
B
$$\mathrm{SiCl}_4$$
C
$$\mathrm{PbCl}_4$$
D
$$\mathrm{Pbl}_4$$
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The element with outer electronic configuration $$(n-1) d^2 n s^2$$, where $$n=4$$, would belong to

A
2nd period, 2nd group
B
4th period, 4th group
C
4th period, 2nd group
D
2nd period, 4th group
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct option regarding the following statements

Statement 1 Nitrogen has lesser electron gain enthalpy than oxygen.

Statement 2 Oxygen has lesser ionisation enthalpy than nitrogen.

A
Statement 1 is correct but statement 2 is incorrect.
B
Both statements 1 and 2 are incorrect.
C
Both statements 1 and 2 are correct.
D
Statement 1 is incorrect but statement 2 is correct.
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