RBTS PAPER 3(CHEMISTRY)
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3 RBTS PAPER

162625 The enthalpy of vaporisation of water at \(100^{\circ} \mathrm{C}\) is \(40.63 \mathrm{~kJ} \mathrm{~mol}^{-1}\). The value \(\Delta \mathrm{E}\) for this process would be :

1 \(37.53 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(39.08 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(42.19 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4 \(43.73 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
NCERT-XI-143
3 RBTS PAPER

162626 A system has internal energy equal to \(E_1, 450 \mathrm{~J}\) of heat is taken out of it and \(600 \mathrm{~J}\) of work is done on it. The final energy of the system will be -

1 \(\left(E_1+150\right)\)
2 \(\left(E_1+1050\right)\)
3 \(\left(\mathrm{E}_1-150\right)\)
4 None of these
NCERT-XI-140
3 RBTS PAPER

162627 In which of the following process work is independent of path :

1 Isothermal
2 Isochoric
3 Adiabatic
4 Isobaric
NCERT-XI-140
3 RBTS PAPER

162628 For which reaction from the following, \(\Delta \mathrm{S}\) will be maximum ?

1 \(\mathrm{Ca}(\mathrm{s})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CaO}(\mathrm{s})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})\)
NCERT-XI-159
3 RBTS PAPER

162629 In which reaction \(\Delta \mathbf{S}\) is positive :

1 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
2 \(3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{O}_3(\mathrm{~g})\)
3 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)
NCERT-XI-159
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3 RBTS PAPER

162625 The enthalpy of vaporisation of water at \(100^{\circ} \mathrm{C}\) is \(40.63 \mathrm{~kJ} \mathrm{~mol}^{-1}\). The value \(\Delta \mathrm{E}\) for this process would be :

1 \(37.53 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(39.08 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(42.19 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4 \(43.73 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
NCERT-XI-143
3 RBTS PAPER

162626 A system has internal energy equal to \(E_1, 450 \mathrm{~J}\) of heat is taken out of it and \(600 \mathrm{~J}\) of work is done on it. The final energy of the system will be -

1 \(\left(E_1+150\right)\)
2 \(\left(E_1+1050\right)\)
3 \(\left(\mathrm{E}_1-150\right)\)
4 None of these
NCERT-XI-140
3 RBTS PAPER

162627 In which of the following process work is independent of path :

1 Isothermal
2 Isochoric
3 Adiabatic
4 Isobaric
NCERT-XI-140
3 RBTS PAPER

162628 For which reaction from the following, \(\Delta \mathrm{S}\) will be maximum ?

1 \(\mathrm{Ca}(\mathrm{s})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CaO}(\mathrm{s})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})\)
NCERT-XI-159
3 RBTS PAPER

162629 In which reaction \(\Delta \mathbf{S}\) is positive :

1 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
2 \(3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{O}_3(\mathrm{~g})\)
3 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)
NCERT-XI-159
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3 RBTS PAPER

162625 The enthalpy of vaporisation of water at \(100^{\circ} \mathrm{C}\) is \(40.63 \mathrm{~kJ} \mathrm{~mol}^{-1}\). The value \(\Delta \mathrm{E}\) for this process would be :

1 \(37.53 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(39.08 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(42.19 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4 \(43.73 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
NCERT-XI-143
3 RBTS PAPER

162626 A system has internal energy equal to \(E_1, 450 \mathrm{~J}\) of heat is taken out of it and \(600 \mathrm{~J}\) of work is done on it. The final energy of the system will be -

1 \(\left(E_1+150\right)\)
2 \(\left(E_1+1050\right)\)
3 \(\left(\mathrm{E}_1-150\right)\)
4 None of these
NCERT-XI-140
3 RBTS PAPER

162627 In which of the following process work is independent of path :

1 Isothermal
2 Isochoric
3 Adiabatic
4 Isobaric
NCERT-XI-140
3 RBTS PAPER

162628 For which reaction from the following, \(\Delta \mathrm{S}\) will be maximum ?

1 \(\mathrm{Ca}(\mathrm{s})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CaO}(\mathrm{s})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})\)
NCERT-XI-159
3 RBTS PAPER

162629 In which reaction \(\Delta \mathbf{S}\) is positive :

1 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
2 \(3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{O}_3(\mathrm{~g})\)
3 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)
NCERT-XI-159
NEET DIGITAL LIBRARY
3 RBTS PAPER

162625 The enthalpy of vaporisation of water at \(100^{\circ} \mathrm{C}\) is \(40.63 \mathrm{~kJ} \mathrm{~mol}^{-1}\). The value \(\Delta \mathrm{E}\) for this process would be :

1 \(37.53 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(39.08 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(42.19 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4 \(43.73 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
NCERT-XI-143
3 RBTS PAPER

162626 A system has internal energy equal to \(E_1, 450 \mathrm{~J}\) of heat is taken out of it and \(600 \mathrm{~J}\) of work is done on it. The final energy of the system will be -

1 \(\left(E_1+150\right)\)
2 \(\left(E_1+1050\right)\)
3 \(\left(\mathrm{E}_1-150\right)\)
4 None of these
NCERT-XI-140
3 RBTS PAPER

162627 In which of the following process work is independent of path :

1 Isothermal
2 Isochoric
3 Adiabatic
4 Isobaric
NCERT-XI-140
3 RBTS PAPER

162628 For which reaction from the following, \(\Delta \mathrm{S}\) will be maximum ?

1 \(\mathrm{Ca}(\mathrm{s})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CaO}(\mathrm{s})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})\)
NCERT-XI-159
3 RBTS PAPER

162629 In which reaction \(\Delta \mathbf{S}\) is positive :

1 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
2 \(3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{O}_3(\mathrm{~g})\)
3 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)
NCERT-XI-159
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3 RBTS PAPER

162625 The enthalpy of vaporisation of water at \(100^{\circ} \mathrm{C}\) is \(40.63 \mathrm{~kJ} \mathrm{~mol}^{-1}\). The value \(\Delta \mathrm{E}\) for this process would be :

1 \(37.53 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(39.08 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(42.19 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4 \(43.73 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
NCERT-XI-143
3 RBTS PAPER

162626 A system has internal energy equal to \(E_1, 450 \mathrm{~J}\) of heat is taken out of it and \(600 \mathrm{~J}\) of work is done on it. The final energy of the system will be -

1 \(\left(E_1+150\right)\)
2 \(\left(E_1+1050\right)\)
3 \(\left(\mathrm{E}_1-150\right)\)
4 None of these
NCERT-XI-140
3 RBTS PAPER

162627 In which of the following process work is independent of path :

1 Isothermal
2 Isochoric
3 Adiabatic
4 Isobaric
NCERT-XI-140
3 RBTS PAPER

162628 For which reaction from the following, \(\Delta \mathrm{S}\) will be maximum ?

1 \(\mathrm{Ca}(\mathrm{s})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CaO}(\mathrm{s})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})\)
NCERT-XI-159
3 RBTS PAPER

162629 In which reaction \(\Delta \mathbf{S}\) is positive :

1 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{s})\)
2 \(3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{O}_3(\mathrm{~g})\)
3 \(\mathrm{H}_2 \mathrm{O}(\ell) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})\)
4 \(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})\)
NCERT-XI-159