Engineering Entrance Sample Papers

Classification of Elements and Chemical Periodicity

Chemistry Periodicity Test

Concept of Chemical Periodicity (Inorganic Chemistry)

Question 1
The correct order of second ionization potential of carbon, nitrogen, oxygen and fluorine is
A
O > F > N > C
B
F > O > N > C
C
O > N > F > C
D
C > N > O > F
Question 2
Which of the following elements are analogous to the lanthanides?
A
Actinides
B
Carbides
C
Borides
D
Hydrides
Question 3
Which of the order for ionisation energy is correct?
A
B < Be < N < C < O
B
B < Be < C < N < O
C
B < Be < C < O < N
D
Be > B > C > N > O
Question 4
Which of the following pairs has elements containing same number of electrons in the outermost orbit?
A
Ca – Cl
B
Cl – Br
C
Na – Cl
D
N – O
Question 5
Modern periodic table is based on the atomic number of the elements. The experiment which proved the significance of the atomic number was
A
Bragg's work on X-ray diffraction
B
Discovery of X-rays by Rontgen
C
Millikan's oil drop experiment
D
Moseley's work on X-ray spectra
Question 6
Some of the polar crystal when heated produce electric current. This phenomena is termed as
A
Ferroelectric effect
B
Antiferroelectric effect
C
Piezoelectric effect
D
Phyroelectric effect
Question 7
In a period, elements are arranged in strict sequence of
A
Constant charges in the nucleus
B
Increasing charges in the nucleus
C
Decreasing charges in the nucleus
D
Equal charges in the nucleus
Question 8
Coinage metals are present in

Related: JCECE Engineering Entrance Exam Syllabus

A
p-block
B
s-block
C
f-block
D
d-block
Question 9
Which one of the elements is most metallic?

Related: Practice Questions on Permutation and Combination (Maths)

A
Bi
B
Sb
C
As
D
P
Question 10
For a p - block element, its 3d, 3s, 3p and 4s orbitals are completely filled and the differentiating electron goes to the 4p orbital. The element should have its atomic number in the range
A
49 – 54
B
13 – 18
C
31 – 36
D
21 – 26
There are 10 questions to complete.
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