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

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

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, R is not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • (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

  • (A): Thermal stability of VA group hydrides decreases from NH_(3) to BiH_(3) (R): The dissociation energy of M - H bond! increases down the group regularly

    A
    Both A & R are true, R is the correct explanation of A
    B
    Both A & R are true, R is not correct explanation of A
    C
    A is true, R is false
    D
    A is false, R is true

  • In the hydrides of VI A group elements the boiling point increases from H_(2)S to H_(2)Po . It is because of increase in the

    A
    size of atoms
    B
    Stability
    C
    atomic weight of chalcogens
    D
    Acidic nature

    • Similar Questions

    Explore conceptually related problems

    (A) Thermal stability of VA group hydrides decreases from NH_(3) to BiH_(3) (R ) The dissociation energy of M - H bond increases down the group regularly

    (A) : Thermal stability of VA group hydrides decreases from NH_3 " to " BIH_3 (R) : The bond dissociation energy of M - H bond increases down the group regularly

    (A) Thermal stability of 16 ^(th) group hydrides decreases from H _(2) O to H_(2) PO (R ) From H _(2)O to H_(2)PO bond dissociation energy increases.

    Ionic nature of group 2 hydrides is

    Tonic nature of group 2 hydrides is

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