PPSC FPSC Lecturer Chemistry Solved MCQs Test No. 62

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Online Free Taleem is free online MCQ’s test related to Lecturer Chemistry. All the individuals who are going to appear in PPSC, FPSC, KKPSC, SPSC, BPSC, AJ&KPSC, NTS, Lecturer Chemistry written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Chemistry include all the important questions and Past Paper of  Lecturer Chemistry, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

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Test Instructions:-
Test Name Lecturer Chemistry
Subject Chemistry Test 62
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
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You have 20 minutes to pass to the quiz.

Lecturer Chemistry Online Test No. 62

1 / 25

In which orbital the angular momentum of an electron is zero?

2 / 25

Millikan’s oil drop method is used to determine:

3 / 25

Wavelength of spectral line emitted is inversely proportional to:

4 / 25

The quantum number ‘m’ of a free gaseous atom is associated with:

5 / 25

Which one of the following pairs of ions have the same electronic configuration?

A). Sr3+, Cr3+

B). Fe3+, Mn2+

C). Fe3+, Co3+

D). Cr3+, Fe3+

6 / 25

How many d-electrons are present in Cr2+ ion?

7 / 25

If the electron of a hydrogen atom is present in the first orbit, the total energy of the electron is:

A). –e2/2r

B). –e2/r

C). –e2/r2

D). –e2/2r2

8 / 25

The total spin resulting from a d3 configuration is:

9 / 25

Which of the following elements has least number of electrons in its M shell?

10 / 25

Dual nature of particle was given by:

11 / 25

Which of the following does not travel with the speed of light?

12 / 25

To explain the structure of atom the first use of quantum theory was made by:

13 / 25

What is the packet of energy called?

14 / 25

l = 3, then the values of magnetic quantum numbers are?

15 / 25

How many electrons can be accommodated in a p-orbital?

16 / 25

Chromium is represented by the electronic configuration:

A). [Ne] 3s2 3p6 3d1 4s2

B). [Ne] 3s2 3p6 3d2 4s1

C). [Ne] 3s2 3p6 3d5 4s1

D). [Ne] 3s2 3p6 4s2 3d4

17 / 25

Set of isoelectronic species is:

A). H2, CO2, CN–, O–

B). N, H2S, CO

C). N2, CO, CN–, O2 +2

D). Ca, Mg, Cl

 

18 / 25

The number of nodal planes in a px orbital is:

19 / 25

The radius of hydrogen atom is 0.53 Å. The radius of Li2+ is of:

A). 1.27 Å

B). 0.17 Å

C). 0.57 Å

D). 0.99 Å

20 / 25

The outermost configuration of most electronegative element is:

A). a) ns2 np5

B). ns2 np6

C). ns2 np4

D). ns2 np6

21 / 25

The atomic number of an element is 35. What is the total number of electrons present in all the p orbitals of the ground state atom of that element?

22 / 25

Quantum numbers of an atom can be defined on the basis of:

23 / 25

In ground state, an element has 13 electrons in its M shell. The element is:

24 / 25

Number of orbitals in L energy level:

25 / 25

Which one of the following forms a colourless solution in aqueous medium?

a). Fe+2

b). Cr3+

c). Mn+2

d). Zn2+

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