MCQ
Mathematical repressentation for $t_{1/4}$ life for first order reaction is given by
- A$t_{1/4} = [(2.303)/(K)]\, log\, 4$
- B$t_{1/4} = [(2.303)/(K)]\, log\, 3$
- ✓$t_{1/4} = [(2.303)/(K)]\, log\, (4/3)$
- D$t_{1/4} = [(2.303)/(K)]\, log\, (3/4)$
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$HSO_4^- = 1.2 \times 10^{- 2} ,H_2PO_4^- = 6.3 \times 10^{-8} ,$$HCO_3^- = 4.7 \times 10^{-11}$
$(a)$ Heat of combustion reaction
$(b)$ Heat of formation reaction
$(c)$ An exothermic reaction
$(d)$ Not neutralization reaction
$H _2 O ( g ) \rightarrow H _2( g )+\frac{1}{2} O _2( g )$
The percent of water decomposing at $2300\,K$ and $1\,bar$ is $...........$ (Nearest integer).
Equilibrium constant for the reaction is $2 \times 10^{-3}$ at $2300\,K$
