Home
Class 12
CHEMISTRY
The correct values of ionization enthalp...

The correct values of ionization enthalpies(in KJ `"mol"^(-1)`) of Si, P, Cl, and S respectively are: a)`786, 1012, 999, 1256` b)`1012, 786, 999, 1256` c)`786, 1012, 1256, 999` d)`786, 999, 1012, 1256`

A

786, 1012, 999, 1256

B

1012, 786, 999, 1256

C

786, 1012, 1256, 999

D

786, 999, 1012, 1256

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PERIODIC PROPERTIES

    VK JAISWAL ENGLISH|Exercise MATCH THE COLUMN|11 Videos
  • PERIODIC PROPERTIES

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|22 Videos
  • p-BLOCK ELEMENTS

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|35 Videos
  • QUALITATIVE INORGANIC ANALYSIS

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|4 Videos

Similar Questions

Explore conceptually related problems

The first ionisation enthalpy (Delta_(i)H^(o-)) values of the third period elements, Na, Mg and Si are respectively 496, 737 and 786 kJ mol^(-1) . Predict whether the first Delta_(i)H^(o-) value for Al will be more close to 575 or 760 kJ mol^(-1) ? Justify your answer.

The first ionization enthalpy (Delta_(t)H) values of the third period elements, Na, Mg and Si are respectively 496, 737 and 786 kJ mol^(-1) . Predict whether the first Delta_(t)H valye for Al will be more close to 575 or 760 kJ mol^(-1) ? Justify your answer.

The first ionization enthalpy (Delta_(i)H) values of the second period elements Li, Be and C are respectively 520, 899 and 1086 kJ mol^(-1) . Predict whther the first Delta_(i)H value for B will be more close to 690 or 990 kJ mol^(-1) ?

Objective question . i. A certains compound has the molecular formula X_(4) O_(6) . If 10 g of X_(4) O_(6) has 5.72 g X , then atomic mass of X is: a. 32 amu b. 42 amu c. 98 amu d. 37 amu ii. For 109% labelled oleum, if the number of moles of H_(2)SO_(4) and free SO_(3) be p and q , respectively, then what will be the value of (p - q)/(p + q) a. 1//9 b. 9 c. 18 d. 1//3 iii. Hydrogen peroxide in aqueous solution decomposes on warming to give oxygen according to the equation, 2H_(2) O_(2) (aq) rarr 2 H_(2) O (l) + O_(2) (g) Under conditions where 1 mol gas occupies 24 dm^(3), 100 cm^(3) of X M solution of H_(2) O_(2) produces 3 dm^(3) of O_(2) . Thus, X is a. 2.5 b. 0.5 c. 0.25 d. 1 iv. 4 g of sulphur is burnt to form SO_(2) which is oxidised by Cl_(2) water. The solution is then treated with BaCl_(2) solution. The amount of BaSO_(4) precipitated is: a. 0.24 mol b. 0.5 mol c. 1 mol d. 0.125 mol v. A reaction occurs between 3 moles of H_(2) and 1.5 moles of O_(2) to give some amount of H_(2) O . The limiting reagent in this reaction is a. H_(2) and O_(2) both b. O_(2) c. H_(2) d. Neither of them vi. 4 I^(ɵ) + Hg^(2+) rarr HgO_(4)^(-) , 1 mole each of Hg^(2+) and I^(ɵ) will form: a. 1 mol of HgI_(4)^(2-) b. 0.5 mol of HgI_(4)^(-2) 0.25 mol of HgI_(4)^(2-) 2 mol of HgI_(4)^(-2)

Sum of the series a^n+a^(n-1)b+^(n-2)b^2+………..+ab^n can be obtained by taking outt a^n or b^n comon and using the forumula of sum of (n+1) terms of G.P. N the basis of above information answer the following question: Coefficient of x^50 in (1+x)^1000+x(1+x)^999+........+x^999(1+x)+x^1000 is (A) ^1000C_50 (B) ^1002C_50 (C) ^1001C_50 (D) ^1001C_49

As per second law of thermodynamics a process taken place spontaneously if and only if the entropy of the universe increases due to the process. Change in entropy is given by Delta S = (Q_(rev))/(T) What is the change in entropy of the universe due to the following reaction occuring at 27^(@)C ? A + 2B rarr C + 2D, Delta H = +1.8 kJ mol^(-1) Molar entropy values of A, B, C and D are 1,2,3 and 4 JK^(-1) mol^(-1) respectively.

Half of the energy released from the reaction A rightarrow B;Delta G^(@)=-9264kJ/mol is used for the conversion Cl_(2)rightarrow ClO_(3)^(-);E^(o)=-1.6V . Select the correct statement(s): (A) Given process Cl_(2)rightarrow ClO_(3)^(-) is a spontaneous process. (B) Given process Cl_(2)rightarrow ClO_(3)^(-) is a non-spontaneous process. (C) Moles of ClO_(3) formed when one mole of A is converted to B are 2 (D) Moles of ClO_(3) formed when one mole of A is converted to B are 6

VK JAISWAL ENGLISH-PERIODIC PROPERTIES-Level 2
  1. First ionization energy is the lowest with:

    Text Solution

    |

  2. The incorrect among the following is:

    Text Solution

    |

  3. The correct values of ionization enthalpies(in KJ "mol"^(-1)) of Si, P...

    Text Solution

    |

  4. The third ionisation energy will be maximum for:

    Text Solution

    |

  5. Consider the following ionsisation reaction : IE(KJ mol^(-1))" "...

    Text Solution

    |

  6. The incorrect statement is:

    Text Solution

    |

  7. First three ionisation energies (in kJ/mol) of three representative el...

    Text Solution

    |

  8. Which of the following statement is correct regarding following proces...

    Text Solution

    |

  9. The correct order of increasing electron affinity of the following ele...

    Text Solution

    |

  10. The second electron gain enthalpies (in kJ mol^(-1)) of oxygen and sul...

    Text Solution

    |

  11. Which of the following statement is correct?

    Text Solution

    |

  12. Which of the following statements is incorrect?

    Text Solution

    |

  13. The formation of the oxide ion O(g)^(2-) requires first an exothermic ...

    Text Solution

    |

  14. In which of the following energy is abosrbed?

    Text Solution

    |

  15. The electron affinity of the following elements can be arranged:

    Text Solution

    |

  16. In which of the following arrangements , the order is not correct acco...

    Text Solution

    |

  17. Which of the following statements is/are wrong?

    Text Solution

    |

  18. Consider the following conversions: (i) O((g))+e^(-) to O((g))^(-),D...

    Text Solution

    |

  19. {:("Element","Electronegative value"),(W,2.7),(X,2.1),(Y,0.8),(Z,3.4):...

    Text Solution

    |

  20. In the compound M-O-H, the M-O bond will be broken if:

    Text Solution

    |