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Mark the element which shows only one ox...

Mark the element which shows only one oxidation state in its compounds

A

F

B

Cl

C

Br

D

I .

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The correct Answer is:
A
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -1
  1. In the reaction 2Br^(-) + X(2) rarr Br(2) + 2X^(-) , X(2) is

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  2. Which of the following has greatest reducing power ?

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  3. Mark the element which shows only one oxidation state in its compounds

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  4. The correct order of the thermal stability of hydrogen halide (H - X) ...

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  5. Which of the following statements regarding structure is not correct

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  6. Chlorine acts as a bleaching agent only in the presence of

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  7. The following is not a mineral of Chlorine

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  8. Cl2 (or) Br2 (or) I2 reacts with cold and dilute alkali solution to fo...

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  9. CI2 (or) Br2 (or) I2 reacts with hot conc. Alkali solution to form

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  10. When Brine solution is subjected to electrolysis the gases liberated a...

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  11. At ordinary temperature Cl2 reacts with

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  12. Chlorine oxidises H2 S to

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  13. The products formed when Cl2 reacts with excess of NH3 are

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  14. What are the products formed when ammonia reacts with excess chlorine ...

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  15. In the use of Cl2 as bleaching agent, the substance that is mainly res...

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  16. Which of the following is used in the extraction of gold

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  17. Which one of the following is formed apart from sodium chloride when c...

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  18. The catalyst in Deacon 's process is

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  19. A metal ,M forms chlorides in its +2 and +4 oxidatio states . Which of...

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  20. In the reaction 4NaCl+MnO(2)+4H(2)SO(4)toMnCl(2)+4NaHSO(4)+2H(2)O+'X' ...

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