MCQ
${H_3}P{O_2}\xrightarrow{\Delta }(X) + P{H_3}$ is
- ADehydration reaction
- BOxidation reaction
- ✓Disproportionation reaction
- DNone
$4 H _3 PO _3 \rightarrow 3 H _3 PO _4+ PH _3$
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| List $I$ | List $II$ | ||
| $A$ | $XeF_4$ | $1$ | Pyramidal |
| $B$ | $XeF_6$ | $2$ | $T-$ shape |
| $C$ | $XeO_3$ | $3$ | Distorted octahedral |
| $D$ | $XeOF_2$ | $4$ | Square planar |
(Molecular wight of $HA= 60, \,d_{solution} = 1\,gm/ml$)
The temperature at which the rate constant of the reaction is $10^{-4} s ^{-1}$ is .............. $K$.
(Rounded-off to the nearest integer)
[Given: The rate constant of the reaction is $10^{-5} s ^{-1}$ at $500 K$.]