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True statement is:...


True statement is:

A

`z` is least reactive non-metal

B

`w` is cooling

C

`y` is electron deficient

D

All of these

Text Solution

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The correct Answer is:
C
`X=BF_(3) , Y=B_(2)H_(6) , Z=F_(2) , W=Delta`
(A)Helium is the least reactive non-metal.
(B)`B_(2)H_(6)` gives back boron on heating.
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