ECAT Pre Engineering Chemistry Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

Try The MCQ's Test For ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

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ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

00:00
Question # 1

Newland gave his law in the year:

Question # 2

Newland's gave law:

Question # 3

Alkali and alkaline earth metals are basic oxides except:

Question # 4

Oxidation state of an element in free state is:

Question # 5

There were seven groups in periodic table proposed by:

Question # 6

Mosley gave his periodic law in the year:

Question # 7

Mark the correct statement:

Question # 8

Hydrides are:

Question # 9

Oxidation state of boron, aluminium and gallium is:

Question # 10

Atomic radius changes from top to bottom in a group.:

Question # 11

Properties of metal are:

Question # 12

Scientist(s) made contributions in the field designing a periodic table

Question # 13

Law of octaves was given by:

Question # 14

Element with higher oxidation state form oxides:

Question # 15

Law of triads was given by:

Question # 16

Which group elements are the least metallic in nature?

Question # 17

E.N. Value of fluorine is:

Question # 18

the element not known till Mandleev tabulated his periodic table:

Question # 19

Dobereiner gave his law in the year:

Question # 20

Mendeleev was a scientist:

Question # 21

Period Number 6 contains elements in it:

Question # 22

Hydration energy depends upon:

Question # 23

Dobriener's was a scientist:

Question # 24

Sodium belongs to block of periodic table:

Question # 25

The periodic function of properties of elements is their atomic number

Question # 26

Newland said, every eight element repeats properties of element:

Question # 27

Mendeleev gave his periodic law in the year:

Question # 28

Periodic law was given by:

Question # 29

Newland's was scientist:

Question # 30

Modern Periodic table is based upon periodic function:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
2 Hydration energy depends upon:
A. Change of Ion
B. Size of Ion
C. Charge to size ratio
D. Heat changes
3 Mark the correct statement:
A. All lanthanides are present in the same period.
B. all halogens are present in he same period.
C. All the alkali metals are present in the same group.
D. All the noble gases are present in the same period.
4 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
5 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
6 Newland said, every eight element repeats properties of element:
A. 1st
B. 2nd
C. 3rd
D. 4th
7 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
8 All facts of chemistry must be in simple logical patterns because chemistry is a subject:
A. Simple
B. Complex
C. Un-understandable
D. Easy
9 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium
10 Sodium belongs to block of periodic table:
A. S-Block
B. p- block
C. d- block
D. f- bloci

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