If, Kp = Kc× [RT]\(\bigtriangleup\)n,for the reaction 2CO2(g)+2CaCO3(s) –> 2CaC2(s)+5O2(g), what is \(\bigtriangleup\)n equal to?

CBSE CLASS XII Related Questions

  • 1.
    Why is o-nitrophenol more acidic than o-methoxyphenol?


      • 2.
        For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.


          • 3.
            Write mechanism of acid dehydration of ethanol to ethene.


              • 4.
                Write any two fat soluble vitamins.


                  • 5.
                    What happens when acidic solution of potassium permanganate is allowed to stand for sometime ? Give the equation involved. What is this type of reaction called ?


                      • 6.
                        Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

                          CBSE CLASS XII Previous Year Papers

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