Test: Group 18 Elements


20 Questions MCQ Test Chemistry Class 12 | Test: Group 18 Elements


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This mock test of Test: Group 18 Elements for Class 12 helps you for every Class 12 entrance exam. This contains 20 Multiple Choice Questions for Class 12 Test: Group 18 Elements (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Group 18 Elements quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: Group 18 Elements exercise for a better result in the exam. You can find other Test: Group 18 Elements extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
*Multiple options can be correct
QUESTION: 1

 Partial hydrolysis of XeF6 yields:

Solution:

C and D are the correct answers.

Amazing facts about noble gases...........

QUESTION: 2

 The valency of inert gas is:

Solution:
QUESTION: 3

 When Xenon reacts with fluorine in a ratio of 1:5 at a temperature of 873 K it forms:

Solution:
QUESTION: 4

Which one of the following has a linear shape?

Solution:
QUESTION: 5

Which of the following gaseous molecule is monoatomic?

Solution:
QUESTION: 6

Maximum number of compounds are known in case of :

Solution:
QUESTION: 7

Maximum number of compounds are known in the case of which inert gas?

Solution:
QUESTION: 8

 The element having highest ionisation potential is:

Solution:

The amount of energy required to remove an electron from the atom decreases. Ionization potential, thus, decreases down a group. The element with highest ionization potential in the periodic table is Helium (2372.1 kj/mol), while the element with the lowest ionization potential is Caesium (375.7 kj/mol).

QUESTION: 9

Noble gases are inert and do not form compounds like other elements because of their:

Solution:
QUESTION: 10

The inert gases have electronic configuration of:

Solution:
QUESTION: 11

 Shape of XeF2 is:

Solution:
QUESTION: 12

Which of the following is the life saving mixture for an asthma patient ?

Solution:
QUESTION: 13

The element which has not yet been reacted with F2 is :

Solution:
QUESTION: 14

Shape of XeF4:

Solution:
QUESTION: 15

In case of noble gases the general trend in the melting points and boiling points, down the group, is

Solution:
QUESTION: 16

Which of the outer electronic configuration represent argon?

Solution:
QUESTION: 17

 Geometry of xenon oxyfluoride (XeOF4) is

Solution:
QUESTION: 18

 Which among the following Xe compounds is highly explosive and a powerful oxidising agent ?

Solution:
QUESTION: 19

Complete hydrolysis of XeF4 and XeF6 results in the formation of:

Solution:
QUESTION: 20

 What is the hybridisation of Xe in XeO3?

Solution:

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