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

The periodic function of properties of elements is their atomic number

Question # 2

Newland gave his law in the year:

Question # 3

Periodic law was given by:

Question # 4

Law of octaves was given by:

Question # 5

Newland's was scientist:

Question # 6

Element with higher oxidation state form oxides:

Question # 7

Properties of metal are:

Question # 8

Mosley gave his periodic law in the year:

Question # 9

First of all, idea of groups and periods was introduced by:

Question # 10

Period Number 6 contains elements in it:

Question # 11

Which group elements are the least metallic in nature?

Question # 12

Newland said, every eight element repeats properties of element:

Question # 13

Ionization energy of sodium is (Kj/mol)

Question # 14

There were seven groups in periodic table proposed by:

Question # 15

Newland's gave law:

Question # 16

E.N. Value of fluorine is:

Question # 17

Mendeleev was a scientist:

Question # 18

Electron affinity value from higher to heavier element:

Question # 19

All facts of chemistry must be in simple logical patterns because chemistry is a subject:

Question # 20

Hydration energy depends upon:

Question # 21

Sodium belongs to block of periodic table:

Question # 22

Hydrides are:

Question # 23

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

Question # 24

Oxidation state of an element in free state is:

Question # 25

Mark the correct statement:

Question # 26

Law of triads was given by:

Question # 27

the element not known till Mandleev tabulated his periodic table:

Question # 28

Modern Periodic table is based upon periodic function:

Question # 29

Dobriener's was a scientist:

Question # 30

Oxidation state of boron, aluminium and gallium is:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Hydration energy depends upon:
A. Change of Ion
B. Size of Ion
C. Charge to size ratio
D. Heat changes
2 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
3 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above
4 Law of octaves was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
5 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
6 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
7 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
8 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
9 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
10 Sodium belongs to block of periodic table:
A. S-Block
B. p- block
C. d- block
D. f- bloci

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