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How will you account for the following?

The electron gain enthalpy with negative sign is less for oxygen than for sulphur.

Important Questions on Elements of Groups 16, 17 and 18

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
In the long form of the periodic table, the valence shell electronic configuration of 5s25p4 corresponds to the element present in:
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Discuss the general characteristics of group 16 elements with reference to

atomic size

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Discuss the general characteristics of group 16 elements with reference to

electronegativity

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
In the following compounds which has minimum boiling point?
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Explain the following property of group 16 elements:

Melting and boiling points

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Write the general electronic configuration of elements of group 16.
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Discuss the general characteristics of group 16 elements with reference to ionisation enthalpy.

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Arrange the hydrides of group 16 elements in increasing order of their boiling points.
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Explain the following property of group 16 elements:

Metallic character

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Explain the following property of group 16 elements:

Electronegativity
 

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Explain the trend in property in Group 16 as given under.

Electronegativity

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
The correct order of electron gain enthalpy is:
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Explain the trend in ionisation enthalpy in Group 16.
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Why H2O is a liquid and H2S a gas?
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

With respect to group 16 elements, answer the following : 

Comment on the trend in electronegativity giving reasons.

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements

Give reason for the following statement :

Sulphur in vapour state shows paramagnetic behaviour.

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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Identify the incorrect statement :
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Explain why hydride of sulphur is a gas while hydride of oxygen is a liquid.
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
Give reasons: Dioxygen is a gas while Sulphur is a solid at room temperature.
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Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Atomic and Physical Properties of Group 16 Elements
The following statements concern elements in the periodic table. Which of the following is true?