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PbCl2 is more stable than PbCl4 . Why ?...

`PbCl_2` is more stable than `PbCl_4` . Why ?

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The correct Answer is:
Inert pair effect
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Why PbX_2 is more stable than PbX_4 ?.

Assertion (A): PbCl_(4) is more stable than PbCl_(2) . Reason (R ): PbCl_(4) is a powerful oxidising agent.

PbCl_(4) is less stable than SnCl_(4) but PbCl_(2) is more stable than SnCl_(2) . Justify.

Assertion: PbCl_(2) is more stable more stable than PbCl_(4) Reason: PbCl_(4) is strong oxidizing agent.

Assertion : PbI_(4) doesn't exist and converts into PbI_(2) and I_(2) spontaneously at room temperature but PbCl_(4) needs heatin to convert into PbCl_(2) and Cl_(2) . Reason : Pb^(2+) is more stable than Pb^(4+) due to inert pair effect.

Give reasons for the following : (i) Where R is an alkyl group, R_(3)P=O" exists but "R_(3)N=O does not. (ii) PbCl_(4) is more covalent than PbCl_(2). (iii) At room temperature, N_(2) is much less reactive.

CBSE COMPLEMENTARY MATERIAL-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -2- MARKS QUESTIONS
  1. The reducing power of elements increases down the group but reverse is...

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  2. What is the formula of binary compound formed between : 1st element...

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  3. What is the formula of binary compound formed between : 2nd element...

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  4. Arrange in the following in increasing order of property indicated: ...

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  5. Arrange the following in increasing order of property indicated: Oxi...

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  6. Oxygen is more non-metallic than nitrogen but less than fluorine why ?

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  7. LiCl, LiBr, LiI are covalent as well as ionic why ?

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  8. PbCl2 is more stable than PbCl4 . Why ?

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  9. Magnesium and Lithium both form nitrides why ?

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  10. Which has least I.E. [3p^(3), 3p^(6) ,2p^(3),2p^(6)]

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  11. I.E. of sulphur is lower than chlorine.

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  12. Arrange the following in decreasing order of their electro-negativity:...

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  13. Element ‘A’ in group 17 (2nd period) ‘B’ in group 16 (2nd peri...

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  14. Element ‘A’ 13 group forms ionic compounds. Write the : Formula of i...

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  15. Arrange the following in their decreasing electro-positive character ...

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  16. Write the atomic number of element place diagonally to : Group 14, ...

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  17. Write the atomic number of element place diagonally to : Group 2, p...

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  18. Write the atomic number of element place diagonally to : Group 17, ...

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  19. An element has outer shell electronic configuration 4s^(2) 4p^(3) . Fi...

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  20. An element has outer shell electronic configuration 4s^(2) 4p^(3) . Fi...

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