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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Explain the trends in the following atomic properties of group 16 elements: Electronegativity - Chemistry

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प्रश्न

Explain the trends in the following atomic properties of group 16 elements:

Electronegativity

टीपा लिहा

उत्तर

Electronegativity: When we proceed from top to bottom in a group, the nuclear attraction force reduces and the atomic radii increase, resulting in a drop in electronegativity.

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Atomic and Physical Properties of Elements of Group 16, 17 and 18
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2021-2022 (March) Set 1

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संबंधित प्रश्‍न

Answer the following.

The first ionization enthalpies of S, Cl, and Ar are 1000, 1256 and 1520 kJ/mol-1, respectively. Explain the observed trend.


Explain the trend in following atomic properties of group 16 elements:

Atomic radii


Answer the following.

Explain the trend in following atomic properties of group 16 elements:

Ionisation enthalpy


Explain the trend in following atomic properties of group 16 elements:

Electronegativity


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Elements of group 16 have lower ionization enthalpy values compared to those of group 15 elements. Explain why?


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The CORRECT order of increasing thermal stability of the hydrides of group 16 elements is:


In group 16, atomic radii ____________ down the group while atomic radii ____________ across a period.


The element which does not belong to group 15 is ______.


Highest negative electron gain enthalpy in halogens is possessed by ____________.


Explain the trends in the following atomic properties of group 16 elements:

Atomic radii


Explain the trends in the following atomic properties of group 16 elements:

Ionisation enthalpy


Explain the trends in the following atomic properties of group 16 elements:

Electron gain enthalpy


Polonium has the half-Life of ______.


Fluorine has higher electronegativity but less electron gain enthalpy. Explain.


Explain the trend in atomic radius of group 18 elements.


Explain the trend in the bond dissociation enthalpies of halogen molecules. Why melting and boiling points of halogens increase on moving down the group?


Discuss the trend in the following in case of groups 16, 17 and 18 elements.

Ionization enthalpy


Discuss the trend in the following in case of groups 16, 17 and 18 elements.

Electron gain enthalpy


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