
- A$t-$Butyl ethyl ether
- B$2,2-$Dimethyl butane
- C$2-$Methyl pent$-1-$ene
- ✓$2-$Methyl prop$-1-$ene


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$(A)$ $C _6 H _5 OH$ and $C _6 H _5 COOH$
$(B)$ $C _6 H _5 COOH$ and $C _6 H _5 CH _2 OH$
$(C)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 OH$
$(D)$ $C _6 H _5 CH _2 OH$ and $C _6 H _5 CH _2 COOH$
[Given : molar mass of $Br _2=160\,g\,mol ^{-1}$
atomic mass of $C =12\,g\,mol ^{-1}$
atomic mass of $Cl =35.5\,g\,mol ^{-1}$
density of dibromine $=3.2\,g\,cm ^{-3}$
density of $\left.CCl _4=1.6\,g\,cm ^{-3}\right]$
$X \rightleftharpoons Y + Z - - - - - - \left( 1 \right)$
$A \rightleftharpoons 2B - - - - - - \left( 2 \right)$
are in ratio of $9 :1$. If degree of dissociation of $X$ and $A$ be equal, then total pressure at equilibrium $(1)$ and $(2)$ are in the ratio
$(II)\,\, H_2O_2 + Ag_2O \rightarrow 2Ag + H_2P + O_2$
Role of hydrogen peroxide in the above reactions is respectively