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Name the two elements of group -16 wh...

Name the two elements of group -16 which are metalloids and photosensitive.

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Selenium (Se) and tellurium (Te).
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPES (VSA )
  1. Among the group - 16 elements ,which one is a typical metal and ...

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  2. Which elements are also known as chalcogens ? Why ?

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  3. Name the two elements of group -16 which are metalloids and phot...

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  4. Out of N and O which one has a higher Delta(i) H(l) ? Why ?

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  5. Which one of the group - 16 elements has the lowest negative elec...

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  6. Out of CS(2) and Cse(2) which one less stable ? Why ?

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  7. Sulphur has a stronger tendency for catenation than oxygen - why ...

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  8. Arrage H(2)S,H(2)O and H(2)Se in the order of increasing bond an...

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  9. Give example of two compounds in which oxidation state of oxygen ...

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  10. In which compound an element exhibits its highest oxidation sta...

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  11. Why does stability of +6 oxidation state decrease down the grou...

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  12. Arrage the group - 16 hydrides in the order of increasing acidic ...

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  13. Out of H(2)O and H(2)S which one has a higher thermal stability...

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  14. Comment on the nature of two S = O bonds is SO(2).

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  15. What is the geometery of SCI(2) ? Why ?

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  16. Out of SF(6) and TeF(6) , which one does not undergo hydrolysis ?w...

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  17. OF(6) has no existence - why ?

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  18. Sulphur disappears when boiled with an aqueous solution of Na(2)SO(...

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  19. What happens when H(2)S is allowed to burn in a limited supply ...

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  20. What happens when an aquous solution of SO(2) is heated in a seale...

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