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Statement-1 : Argon is used in the labor...

Statement-1 : Argon is used in the laboratory for handling substances that are air-sensitive.
Statement-2 : Argon is inert towards chemical reactivity due to the completely filled valence shell electronic configuration, high ionization enthalpy and more positive electron gain enthalpy.

A

Statement-1 is True, Statement-2 is True,Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True,Statement-2 is NOT a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

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The correct Answer is:
A
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All the noble gases are colourless and tasteless monoatomic gases. In general, noble gases are least reactive and their inertness to chemical reactivity is attributed to the following reasons. Reactive and their inertness to chemical reactivity is attributed to the following reasons. (i)Except helium, all have completely filled ns^(2)np^(6) electronic configuration in their valence shells. (ii)All have high ionisation enthalpy and more positive electron gain enthalpy. However, a number of xenon compounds mainly with most electronegative elements like fluorine and oxygen have been synthesized under different conditions and fluorides of xenon have been used as an oxidising agent and a fluorinating agent in many of the chemical reactions The correct order of the abundance of various noble gases in air is :

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RESONANCE-P BLOCK ELEMENTS-SINGLE CHOICE TYPE
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  2. Which of the following pair will give chlorine gas most quickly, upon ...

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  3. Iodine is liberated from sodium iodate by reacting with :

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  4. HI can be prepared by all the following methods except :

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  5. Select correct statement(s)

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  6. What products are expected from the desproprtionation reactin of hypoc...

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  7. Select the correct order(s).

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  8. A solution of KI(3) in water contains :

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  9. Which of the following statement(s) is/are incorrect for noble gases ?

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  10. Statement-1 :Hypochlorous acid (HCIO) acts as a powerful oxidising and...

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  11. Statement-1 : All interhalogens are paramagnetic Statement-2 : AB t...

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  12. Statement-1 : HCIO4 is a more stronger acid than HCIO3 Statement-2 :...

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  13. Statement-1 : Fluorine is obtained by the interaction of K2MnF6 with l...

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  14. Statement-1 : Fluorine with sodium hydroxide solution does not undergo...

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  15. Statement-1 : Xenon hexafluoride is kept in silica-lined vessel. Sta...

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  16. Statement-1 : Argon is used in the laboratory for handling substances ...

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  17. All the noble gases are colourless and tasteless monoatomic gases. In ...

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  18. All the noble gases are colourless and tasteless monoatomic gases. In ...

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  19. All the noble gases are colourless and tasteless monoatomic gases. In ...

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  20. All the noble gases are colourless and tasteless monoatomic gases. In ...

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