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.
    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 ?


      • 2.
        Why is o-nitrophenol more acidic than o-methoxyphenol?


          • 3.
            Though chlorine shows strong $-I$ effect, why is it ortho/para directing?


              • 4.
                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.


                  • 5.
                    Vitamin $B_{12}$ is a complex compound of :

                      • $Fe^{2+}$
                      • $Mg^{2+}$
                      • $Co^{3+}$
                      • $Cu^{2+}$

                    • 6.
                      Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

                        CBSE CLASS XII Previous Year Papers

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