Home
Class 12
CHEMISTRY
Standard enthalpy of formation is non ze...

Standard enthalpy of formation is non zero for

A

`O_2`(g)

B

`P_4`(white)

C

`S_8`(rhombic)

D

`P_4`(red)

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Standard enthalpy of formation is zero for.

Standard enthalpy of formation is zero for

The allotropic form of sulphur for which standard enthalpy of formation is taken as zero is ..................

Standard enthalpy of formation of water is -286 kJ mol^-1 . Calculate the enthalpy change for formation of 0.018 kg of water.

AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. Amount of oxygen gas present in a 2 L vessel at 5 atm pressure and 27°...

    Text Solution

    |

  2. Select the correct statement for isothermal expansion of an ideal gas

    Text Solution

    |

  3. Standard enthalpy of formation is non zero for

    Text Solution

    |

  4. Reaction for which Kp and Kc are equal

    Text Solution

    |

  5. pH of a neutral solution at 360 K is Kw at 360 K is 3.6×10^(-13)

    Text Solution

    |

  6. pH of aqueous solution of CH3COONa is given by

    Text Solution

    |

  7. If concentration of F^- in saturated solution of CaF2 is x then solubi...

    Text Solution

    |

  8. If three salts AB(s), AC(s) and AD(s) have equal solubility product th...

    Text Solution

    |

  9. For one mole of a diatomic gas, the ratio of heat transfer at constant...

    Text Solution

    |

  10. The equimolar salt solutions having lowest pH is

    Text Solution

    |

  11. The pH of a solution at 25°C that contains 10^(-10) M hydroxide ions (...

    Text Solution

    |

  12. Equal weight of oxygen and He are mixed in a closed container . The fr...

    Text Solution

    |

  13. The ratio of units of vander Waals constants a and b is

    Text Solution

    |

  14. The heat of combustion of P4(white) to P4O10(s) is -5.4 kJ mol^(-1). T...

    Text Solution

    |

  15. The work done and internal energy change during the adiabatic expansi...

    Text Solution

    |

  16. The solubility of AgCl(s) having solubility product 1.6×10^(-10), in 0...

    Text Solution

    |

  17. The pH of resulting solution when equal volume of 0.01 M NaOH and 0.1 ...

    Text Solution

    |

  18. The solubility products of CuS,Ag2S and HgS are 10^(-31), 4*10^(-44)an...

    Text Solution

    |

  19. For equimolar solution of K2O,K2S and K2Se correct order of pOH is

    Text Solution

    |

  20. Addition of inert gas at constant pressure in equlibrium 2SO2(g)+O2(g)...

    Text Solution

    |