Home
Class 11
CHEMISTRY
Find the true statement/statements i. ...

Find the true statement/statements
i. `Delta_(eg)H` is related to electron affinity (Ae) as per the equation `Delta_(eg)H=-[Ae+5/2RT]`
ii. At absolute zero temperature, EGE and `A_(e)` are the same.
iii. `Delta_(eg)H_(2)` of a number of elements is +ve.
iv. `Delta_(eg)H_(1)` of Be, Mg, N and noble gases are -ve.
v. A higher -ve value of `Delta_(eg)H_(1)` shows a higher electron affinity, but not always.
vi. `Delta_(eg)H_(1)` is of N, O, F and Ne have a relatively lower -ve values as compound with the next group member.
vii. Group 14 elements (except lead) have a higher -ve value of `Delta_(eg)H_(1)` compound with group 15 elements.

A

i,ii,iii,vi

B

iii,iv,v and vi

C

All except iii and iv

D

v, vi and vii

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION-REASON)|11 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTION|11 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL - I (ASSERTION - REASON)|9 Videos
  • CHEMICAL THERMODYNAMICS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|52 Videos
  • ENVIRONMENTAL CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS LEVEL-II (ASSERTION-REASON TYPE)|10 Videos

Similar Questions

Explore conceptually related problems

For a reaction A+B to C - heat, Deltas is -ve, the reaction

Find the true statement/statements a) In a given period Delta_(i)H_(1) is the lowest for an alkali metal and highest for noble gas. b) Cs has the lowest and He has the highest Delta_(i)H_(1) among all elements. c) Lowest Delta_(i)H_(2) among the elements of third period is for Mg. d) The metal with the highest Delta_(i)H_(1) is mercury. e) Ni (II) compounds are thermodynamically more stable than Pt(II) compounds while Ni(IV) compound are less stable than Pt(IV) compounds.

The relation 'Delta G=Delta H-T Delta S' was given by

Which are correct regarding noble gases? B) Low MP and BP. C) Low ionisation enthalpy and low Delta_(eg) H for neon D) High diffusion property with helium E) Except Delta_(i)H_(1) all other physical properties like BP. increases down the group

Delta H' for the the combustion of a compound is :

Delta_(i)H_(1)andDelta_(eg)H_(1) of an element are 1680 and -329 kJ mol^(-1) respectively. Its electronegativity in Mullicken scale is

Which one of the following arrangements represents the correct order of electron gain enthalpy (with n(eg)ative sign) of the given atomic species?

An experimental data is given, N_2(g) + 3H_2(g) rarr 2NH_3(g) , Delta H = -91.8 kJ//mol Give the significance of -ve sign of DeltaH .

BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL - II
  1. Five successive ionisation enthalpies of a metal are 577.6, 1816.7, 27...

    Text Solution

    |

  2. X, Y and Z are three elements with DeltaiH(1),DeltaiH(2)andDeltaegH(1)...

    Text Solution

    |

  3. Find the true statement/statements a) In a given period Delta(i)H(1)...

    Text Solution

    |

  4. Koverset(a)toK^(+)overset(b)toK^(2+) Caoverset(c)toCa^(+)overset(d)t...

    Text Solution

    |

  5. X(g)toX^(+)(g)+e^(-)" "DeltaH=+720kJmol^(-1). Calculate the amount of ...

    Text Solution

    |

  6. Consider the following changes a) M(s)toM(g) b) M(s)toM^(2+)(g)+2e...

    Text Solution

    |

  7. Which among the following is not correct: The 1E(1) of Zn, Cd, Hg ar...

    Text Solution

    |

  8. Find the true statement/statements i. Delta(eg)H is related to elect...

    Text Solution

    |

  9. Consider the following conversions i. O((g))+e^(-)toO(g)^(-)" "Del...

    Text Solution

    |

  10. (3N(0))/2 atoms of X((g)) are converted into X((g))^(+) by energy E(1)...

    Text Solution

    |

  11. Which will have the maximum value of electron affinity O^(X),O^(Y),O^(...

    Text Solution

    |

  12. In which of the following options, the order of arrangement does not a...

    Text Solution

    |

  13. Select the group where E.N increase down the group?

    Text Solution

    |

  14. If electronegativity of A 2.0 and that of B is 3.0. What is the covale...

    Text Solution

    |

  15. A compound contains three elements A, B and C. If the oxidation number...

    Text Solution

    |

  16. There are three elements A, B, C. Their atomic number are Z(1),Z(2)and...

    Text Solution

    |

  17. The bond length of A(2) molecule is 0.8A^(@)andCl(2) bond length = 1.9...

    Text Solution

    |

  18. In which of the following properties did Be shows similarities with Al...

    Text Solution

    |

  19. Which among the following order is correct? a) CaltMgltBeltSrltBa - ...

    Text Solution

    |

  20. Sum of DeltaegH(1)andDeltaegH(2) of X, Y and Z are respectively +703,+...

    Text Solution

    |