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(A) Thermal stability of the hydrides of...

(A) Thermal stability of the hydrides of VIA group elements decreases from `H_(2) O ` to `H_(2) Po`
(R ) The heats of disociation of M-H bond of hydrides of VIA group decreases down the group

A

Both (A) and (R ) are true and (R ) is the correct explanation of (A)

B

Both (A) and (R ) are true and (R ) is not the correct explanation of (A)

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

Text Solution

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The correct Answer is:
A
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