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No gas is liberated when the following H...

No gas is liberated when the following HX is treated with `MnO_(2)and con .H_(2)SO_(4)`

A

HCl

B

HF

C

HBr

D

HI

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The correct Answer is:
B
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AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -2
  1. Which one of the following ion has the highest value of ionic radius?

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  2. Poor conductor of electricity is

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  3. No gas is liberated when the following HX is treated with MnO(2)and co...

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  4. Which of the following does not form precipitate with AgNO3 ?

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  5. Which redical can bring about the highest oxidation state of a transit...

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  6. I) Fluorine reacts with cold , dilute alkalies liberating O(2) gas. ...

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  7. Which of the following statements is correct about halogens ?

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  8. KMnO4 acts as an oxidising agent in alkaline medium, when alkaline KM...

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  9. Gaseous HCl is a poor conductor of electricity while its aqueous solut...

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  10. Concentrated hydrochloric acid when kept in open air sometimes produce...

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  11. Which statement is incorrect

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  12. Which of the following is used in the preparation of chlorine ?

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  13. Consider the following reaction 6NaOH(("Hot. Conc.")) + 3Cl2 to 5NaC...

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  14. A halogen (x) reacts with sulphur gives a compound (y) .(y) reacts wit...

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  15. If Cl(2) gas is passed into aqueous solution of KI containing some C C...

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  16. NH(3)(excess)+3CltoA+N(2)uarr , the bonds present in compound A is

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  17. Chlorine reacts with nitric oxide to form

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  18. When Cl2 reacts with Fe (or) Cu it does not form

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  19. In the reaction 2Br^(-) + X2 to Br2 + 2X^(-) ,X2 is

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  20. The Incorrect statement regarding Nelson cell process

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