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.
    Write mechanism of acid dehydration of ethanol to ethene.


      • 2.
        Under what condition can a bimolecular reaction become kinetically first order?


          • 3.
            Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.


              • 4.
                Though chlorine shows strong $-I$ effect, why is it ortho/para directing?


                  • 5.
                    61 g benzoic acid (M = 122 g mol$^{-1}$) dissolved in 500 g benzene. Vapour pressure of pure benzene = 66 torr. Assume complete dimerisation. Calculate vapour pressure of solution.


                      • 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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