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Which of the following order are correct...

Which of the following order are correct as per the properties mentioned against each ?

A

`As_(2)O_(3) lt SiO_(2) lt P_(2)O_(3) lt SO_(2)` Acid strength.

B

`AsH_(3) lt PH_(3) lt NH_(3)` Enthalpy of vapourisation

C

`S lt O lt Cl lt F` More negative electron gain enthalpy.

D

`H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te` Thermal stability.

Text Solution

Verified by Experts

The correct Answer is:
A, D
are both correct answers.
In general greater the electronegativity of the element more is the acidic strength of the oxide.
Thermal stability of the hydrides of oxygen family decreases with increase in bond length.
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