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Byju's Answer
Standard XII
Chemistry
Reactivity with Halogens and Hydrogen (Group 2)
The correct o...
Question
The correct order of stability of hydrides is?
A
C
a
H
2
>
S
r
H
2
>
B
a
H
2
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B
C
a
H
2
>
S
r
H
2
=
B
a
H
2
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C
B
a
H
2
>
S
r
H
2
>
C
a
H
2
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D
C
a
H
2
<
S
r
H
2
>
B
a
H
2
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Solution
The correct option is
D
C
a
H
2
>
S
r
H
2
>
B
a
H
2
(
A
)
C
a
H
2
>
S
r
H
2
>
B
a
H
2
Because the stability of hydrides of alkaline earth metal decreases from
C
a
H
2
>
S
r
H
2
>
B
a
H
2
forms their stability.
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Q.
Among
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e
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