PPSC FPSC Lecturer Chemistry Solved MCQs Test No. 62

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.


There will be 25 multiple choice question in the test.
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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

You have 20 minutes to pass to the quiz.

Lecturer Chemistry Online Test No. 62

1 / 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

2 / 25

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

3 / 25

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

4 / 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+

5 / 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

6 / 25

The number of nodal planes in a px orbital is:

7 / 25

Millikan’s oil drop method is used to determine:

8 / 25

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

9 / 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

10 / 25

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

a). Fe+2

b). Cr3+

c). Mn+2

d). Zn2+

11 / 25

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

12 / 25

Dual nature of particle was given by:

13 / 25

Number of orbitals in L energy level:

14 / 25

The outermost configuration of most electronegative element is:

A). a) ns2 np5

B). ns2 np6

C). ns2 np4

D). ns2 np6

15 / 25

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

16 / 25

Wavelength of spectral line emitted is inversely proportional to:

17 / 25

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

18 / 25

What is the packet of energy called?

19 / 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?

20 / 25

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

21 / 25

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

22 / 25

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

23 / 25

The total spin resulting from a d3 configuration is:

24 / 25

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

25 / 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


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