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Write the order of the thermal stability...

Write the order of the thermal stability of the hydrides of group 16 elements.

A

`H_(2)Po gt H_(2)Te gt H_(2)Se gt H_(2)S gt H_(2)O`

B

`H_(2)O gt H_(2)S gt H_(2)Se gt H_(2)Te gt H_(2)Po`

C

`H_(2)S gt H_(2)Se gt H_(2)O gt H_(2)Te gt H_(2)Po`

D

`H_(2)S gt H_(2)Se gt H_(2)Te gt H_(2)O gt H_(2)Po`

Text Solution

Verified by Experts

The correct Answer is:
B
It is because the strength of M - H bond decreases down the group, due to the increase in the size of central atom M.
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