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प्रश्न
Answer the following.
Explain the trend in following atomic properties of group 16 elements:
Ionisation enthalpy
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उत्तर
Ionisation enthalpy:
The ionisation enthalpy decreases down the group due to an increase in the atomic size. Group 16 elements have less ionization energy than the corresponding group 15 elements.
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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
In chlorous acid, oxidation state of chlorine is _______.
Which of the following group 16 element is present in copper pyrites and zinc blende?
In group 16, atomic radii ____________ down the group while atomic radii ____________ across a period.
The element which does not belong to group 15 is ______.
Which of the following will have lowest value of electronegativity?
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:
Electronegativity
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
