MCQ
Cyclohexane, a hydrocarbon floats on water because
- AIt is immiscible with water
- BIts density is low as compared to water
- CIt is non-polar substance
- ✓It is immiscible and lighter than water
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$(a)$ saline hydrides produce $H_2$ gas when reacted with $H_2O.$
$(b)$ reaction of $LiAH_4$ with $BF_3$ leads to $B_2H_6.$
$(c)$ $PH_3$ and $CH_4$ are electron - rich and electron-precise hydrides, respectively.
$(d)$ $HF$ and $CH_4$ are called as molecular hydrides.
$CHC{l_3}\xrightarrow{{Air/hv}}x\xrightarrow[{Excess}]{{{C_6}{H_6}\,/\,Anhy\,AlC{l_3}}}y$ , $y$ will be

$Xe{F_6}\,\xrightarrow{{ + \,\,Excess\,\,{H_2}O}}\,'X'\, + \,HF$
$Xe{F_6}\,\xrightarrow{{ + 2\,\,\,{H_2}O}}\,'Y'\, + \,HF$
