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  1. S

    Chemistry: Post your doubts here!

    Use of the Data Booklet is relevant to this question. Ferrochrome is an alloy of iron and chromium. Ferrochrome can be dissolved in dilute sulfuric acid to produce a mixture of FeSO4 and Cr2(SO4)3. The FeSO4 reacts with K2Cr2O7 in acid solution according to the following equation. 14H+ +...
  2. S

    Chemistry: Post your doubts here!

    Is there an easier way to find out the number of isomers? and for this question how many are there?? Please help!! It's 9701/13/0/N/14
  3. S

    Chemistry: Post your doubts here!

    Ohhhh, thanksss :)
  4. S

    Chemistry: Post your doubts here!

    Yeah I did see how you did it, but it's kinda unclear :(
  5. S

    Chemistry: Post your doubts here!

    Only 1 is correct. How? When ethanoic acid has only 2 carbon atoms??
  6. S

    Chemistry: Post your doubts here!

    How is this C?
  7. S

    Chemistry: Post your doubts here!

    My options are different. A. X B. X -W C. Y- W D. Z- Y I thought it'd be X, because it shows Na 2+ :/
  8. S

    Chemistry: Post your doubts here!

    Helppp!!!!!!!!!! Correct answer is A.
  9. S

    Chemistry: Post your doubts here!

    Helpppp!!!! Correct answer is B.
  10. S

    Chemistry: Post your doubts here!

    Answer is D. Please explain!
  11. S

    Chemistry: Post your doubts here!

    Yeah I get that part but why is it +, why not - ?
  12. S

    Chemistry: Post your doubts here!

    Wouldn't a lower temperature increase the rate of the forward reaction since it's exothermic? So why is it A instead of D??
  13. S

    Chemistry: Post your doubts here!

    How is the answer D? :(
  14. S

    Chemistry: Post your doubts here!

    Correct answer is B.
  15. S

    Chemistry: Post your doubts here!

    Thanks!!
  16. S

    Chemistry: Post your doubts here!

    A student mixed 25.0 cm3 of 0.350 mol dm–3 sodium hydroxide solution with 25.0 cm3 of 0.350 mol dm–3 hydrochloric acid. The temperature rose by 2.50 C. Assume that no heat was lost to the surroundings. The final mixture had a specific heat capacity of 4.20 J cm–3K–1. What is the molar...
  17. S

    Chemistry: Post your doubts here!

    Thank you!!
  18. S

    Chemistry: Post your doubts here!

    how do we solve this one? :/ Correct answer is C.
  19. S

    Chemistry: Post your doubts here!

    Omg, wth is this? -_- Correct answer is D.
  20. S

    Chemistry: Post your doubts here!

    How do we figure out the number of chiral centres present?? Correct answer is 6.
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