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Which element is not considered as 'chal...

Which element is not considered as 'chalcogens' ?

A

Selenium

B

Oxygen

C

Sulphur

D

Polonium

Text Solution

Verified by Experts

The correct Answer is:
D
In group 16 and period VI and oxygen , sulphur , selenium are chalcogens ( ore forming ) while polonium being radioactive forms a less number of compounds and is not considered as chalcogens .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-P-BLOCK ELEMENTS -MHT CET corner
  1. Which element is not considered as 'chalcogens' ?

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  2. Which is the most stable allotrope of sulphur ?

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  3. The most abundant noble gas in the atmosphere is

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  4. What is the highest oxidation state exhibited by group 17 elements ?

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  5. Which among the following group 15 element forms most stable pentava...

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  6. Electronic configuration of only one P block element is exceptional ...

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  7. What is the most abundant element on earth ?

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  8. Identify a metallloid from the following list of elements

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  9. What is the basicity of orthophosphorous acid ?

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  10. Which halogen forms an oxoacids that contains the halogen atom in tri...

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  11. Which oxoacid of sulphur contains S-S bond in its structure ?

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  12. In which of the following oxides of nitrogen, the oxidation state of t...

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  13. Which of the following group 16 elements exists in more than two allo...

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  14. Ozone is present as a chief constituent in which region of the atmosph...

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  15. Which oxyacid of sulphur contains S-S single bond?

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  16. Which is the strongest acid in the following ?

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  17. Which of the following has least bond energy ?

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  18. Which of the following species has highest bond energy ?

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  19. Which of the following Xenon fluoride does not exist ?

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  20. Which of the following oxides of nitrogen is known as laughing gas?

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  21. The geometry of I(3)^(-) is

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