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JEEMAIN and NEET
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NEET PAST PAPERS
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2017
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Q)
Which of the following pairs of compounds is isoelectronic and isostructural ?
(
1
)
B
e
C
l
2
,
X
e
F
2
(
2
)
T
e
l
2
,
X
e
F
2
(
3
)
I
B
r
−
2
,
X
e
F
2
(
4
)
I
F
3
,
X
e
F
2
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