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The most abundant noble gas in the atmosphere is

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Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The element that even can diffuse through silica glass is
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Amongst He, Ne, Ar and Kr; 1 g of activated charcoal adsorbs more of Kr.

Reason R: The critical volume Vc (cm3 mol–1) and critical pressure Pc (atm) is highest for Krypton but the compressibility factor at critical point Zc is lowest for Krypton.

In the light of the above statements, choose the correct answer from the options given below.

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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Which of the following noble gases is abundant in air?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Inert gases have positive electron gain enthalpy. Its correct order is
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Arrange the following gases in increasing order of van der Waals constant 'a'
(A) Ar
(B) CH4
(C) H2O
(D) C6H6
Choose the correct option from the following.
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The noble gas that does not occur in the atmosphere is;
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Which one of the following compounds XeOF4, XeF2 , XeF4 and NeF2 does not exist.
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Gadolinium belongs of 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Which of the following is correct about compound X (Atomic number =18)?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
An element X has an atomic number of 18. With which of the following elements will it show similar chemical properties?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Atomic number of next inert gas to be discovered will be
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The electronic configuration of elements A, B & C are He 2s1, Ne 3s1 & Ar 4s1 respectively. Which one of the following order is correct for the first ionization potentials (in KJmol–1) of A, B & C?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Assertion (A) : Noble gases have very low boiling points.

Reason (R) : All noble gases have general electronic configuration of ns2 np6 (except He)
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The outer electronic configuration of a noble gas is 5s25p6. The noble gas with this outer electronic configuration is :
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The noble gas having only two electrons in its valence shell is :
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Name three elements with completely filled outermost shell.
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Which of the following ions is not having the configuration of neon
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
What does the electron configuration 1s2, 2s2, 2p5, 3s1 indicate?
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
The following are some statements about noble gases.

I. They are between halogens and I A group.

II. Except Rn, all the remaining are present in air.

III. These elements belong to the 17th group in the modern periodic table.
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Chemistry>Inorganic Chemistry>The p-Block Elements>General Introduction of Group 18 Elements
Which of the following does not form clatherates?