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  1. K

    Chemistry MCQ thread...

    graph between T and V (direct relation ) on extrapolation cut x axes, so fact is that straight line indicate direct relationship, if it is decreasing as in A, it means slop is negative.
  2. K

    Chemistry MCQ thread...

    ans is D explanation: pv is constant so b and c are wrong, in case of A, graph is also direct relationship, with negative slope ( for inversely proportion check book)
  3. K

    Chemistry MCQ thread...

    reallyyyyyyyyyyyyy soryyyyyyyy i checked 33
  4. K

    Chemistry MCQ thread...

    can you post question again??? year(paper) and question number??
  5. K

    Chemistry MCQ thread...

  6. K

    Chemistry MCQ thread...

    its B oxidation state (3) is wrong,
  7. K

    Chemistry MCQ thread...

    by using density and vol of ice, find mass of ice, it ll be be ig(m=d x v), now find mole of ice 1/18(mass /Mr) now apply equation PV=nRT
  8. K

    Chemistry MCQ thread...

    no nov10/12 and nov10/13 has almost all questions are different.
  9. K

    Chemistry MCQ thread...

    Its A (simple way, all other options are not possible) in fact , in A2, we ll study( as my teacher said) more positive electrode potential, more easily reduced, means cant oxidised, so silver metal not change into ion, so cant reduce at cathode
  10. K

    Chemistry MCQ thread...

  11. K

    Chemistry MCQ thread...

    Ans is C 1 is wrong as pressure will remain same, and 2 and3 are correct (apply le chatelier principal)
  12. K

    Chemistry MCQ thread...

    Q18 ans B bromine is non polar so soluble in polar (a is wrong) it can easily vaporise( c is wrong) in vapour state it is not purple (d is wrong)
  13. K

    Chemistry MCQ thread...

    which ???
  14. K

    Chemistry MCQ thread...

    According to 1st reaction 1 mole will produce 1.5, and 2nd reaction 1 mole will give 0.1 so total 1.6.
  15. K

    Chemistry MCQ thread...

    Ams B
  16. K

    Chemistry MCQ thread...

    Ans is A for P and Q, low heat change means weak acid and base as some energy used for their dissociation, R is strong base (check heat change)
  17. K

    chanllenging mcqs

    only 1 s correct
  18. K

    chanllenging mcqs

    d is correct, before bond formaion it as electron deficient due to 6 electrons around it but after compoud fornd, it become tetrahedral
  19. K

    Chemistry MCQ thread...

    AnS B 3 different alkenes (including 2 Cis trans)
  20. K

    Chemistry MCQ thread...

    no if u are finding cis traans then apply formula 2 power n where n is number of double bonds..so 2 power3 is equal to 8....this is what our teacher said
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