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Which of the following is correct?...

Which of the following is correct?

A

radius of `Ca^(2+) lt Cl^(-) lt S^(2-)`

B

radius of `Cl lt lt S^(2-) ltCl^(2+)`

C

radius of `S^(2-)=Cl^(-)=Ca^(2+)`

D

radius of `S^(2-) lt Cl^(-) lt Ca^(2+)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2012-Subject: Chemistry
  1. The well known compounds, (+)- lactic acid and (-)- lactic acid, have ...

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  2. The stability of Me(2)C=CH(2) is more than that of MeCH(2)=CH(2) due t...

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  3. Which of the following does not represent the mathematical expression ...

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  4. The stable bivalency of Pb and trivalency of Bi is

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  5. The equivalent weight of K(2)Cr(2)O(7) in acidic medium is expressed i...

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  6. Which of the following is correct?

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  7. CO is practically non-polar since

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  8. The number of acidic protons in H(3)PO(3) are

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  9. When H(2)O(2) is shaken with an acidifjed solution of K(2)Cr(2)O(7) in...

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  10. The state of hybridization of the central atom and the number of lone ...

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  11. By passing excess Cl(2)(g) in boiling toluene, which one of the follow...

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  12. An equimolar mixture of toluene and chlorobenzene is treated with a mi...

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  13. Among the following carbocations Ph(2)C^(+)CH(2)Me (I), PhCH(2)CH(2)C...

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  14. Which of the followings is correct?

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  15. On passing 'C' Ampere of current for time 't' sec through 1 litre of 2...

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  16. If the 1^(st) ionization energy of H atom is 13.6 eV, then the 2^(nd) ...

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  17. The weight of oxalic acid that will be required to prepare a 1000 ml (...

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  18. 20 ml 0.1 (N) acetic acid is mixed with 10 ml 0.1 (N) solution of NaOH...

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  19. In the brown ring complex [Fe(H(2)O)(5)(NO)]SO(4) nitric oxide behaves...

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  20. The most contributing tautomeric enol form of MeCOCH(2)CO(2)Et is

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