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  1. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w03_qp_1.pdf Q27..why is the answer sulfuric acid..can someone plz tell me the rxn these compounds undergo with H2SO4?
  2. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w05_qp_1.pdf Q20..im sorry the answer is B. my question is that whats the other isomer besides cis trans?
  3. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w04_qp_1.pdf Q34..plz explain second n third statements. Q23 as well!
  4. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/...d AS Level/Chemistry (9701)/9701_w06_qp_1.pdf in 5 why cant the answer be D? i dont get what the examiner report is trying to say. please explain!!!
  5. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w05_qp_1.pdf Q3..please explain it to me! also q12..shouldnt the answer be D?
  6. S

    Chemistry: Post your doubts here!

    i chked the marking scheme it says C.
  7. S

    Chemistry: Post your doubts here!

    20 What is the number of isomers of C2H2Cl2 including cis-trans isomers? A 2 B 3 C 4 D 5 and B. besides cis trans whats the other isomer that we get?
  8. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w05_qp_1.pdf Q3..please explain it to me! also q12..shouldnt the answer be D?
  9. S

    Chemistry: Post your doubts here!

    oh its okay. thanks for the help though :)
  10. S

    Chemistry: Post your doubts here!

    in 16 read the question again. it says the cell is kept cold. with cold Naoh NaClO is formed not NaClO3. you"ve to learn these rxns. in 36, nitrogen dioxide is very much polar. positive nitrogen atom and 2 negative oxygen hence overall is it polar!
  11. S

    Chemistry: Post your doubts here!

    can you draw them on paint and then post it as a file? its ok. i"ll excuse the bad drawing if thats the problem :P
  12. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/...d AS Level/Chemistry (9701)/9701_w06_qp_1.pdf in 5 why cant the answer be D? i dont get what the examiner report is trying to say. please explain!!!
  13. S

    Chemistry: Post your doubts here!

    thanks..plz answer this on too 21 What is the total number of different chloroethanes, formula C2H6-nCln, where n can be any integer from 1 to 4? A 4 B 6 C 7 D 8 ans C. how?
  14. S

    Chemistry: Post your doubts here!

    30 Which pair of compounds is formed when the ester C2H5CO2CH3 is boiled with aqueous sodium hydroxide? A C2H5CO2H CH3OH B C2H5CO2Na CH3ONa C C2H5CO2Na CH3OH D C2H5OH CH3CO2Na ans C. why cant it be A or B? please explain my questions. i really need help!
  15. S

    Chemistry: Post your doubts here!

    21 What is the total number of different chloroethanes, formula C2H6-nCln, where n can be any integer from 1 to 4? A 4 B 6 C 7 D 8 ans C. how?
  16. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w06_qp_1.pdf in 5 why cant the answer be D? i dont get what the examiner report is trying to say. please explain!!!
  17. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/...d AS Level/Chemistry (9701)/9701_w07_qp_1.pdf Q32.. please explain how 2 and 3 are correct!
  18. S

    Chemistry: Post your doubts here!

    6 Which of the following least resembles an ideal gas? A ammonia B helium C hydrogen D trichloromethane why is the ans A and not D when trichloromethane has a higher mass??
  19. S

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w07_qp_1.pdf Q32.. please explain how 2 and 3 are correct!
  20. S

    Chemistry: Post your doubts here!

    thank you so much!! yes it did help me out:)
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