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Chemistry
Which of the following does not exist in free form?
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Q. Which of the following does not exist in free form?
The p-Block Elements
A
$BF_3$
16%
B
$BH_3$
67%
C
$BCl_3$
6%
D
$BBr_3$
11%
Solution:
Boron forms hydrides with general formula $B_nH_{n+4}$ but $BH_3$ exists as $B_2H_6$.