6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

$(A)$ Ice floats in water.

$(B)$ Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions.

$(C)$ Formic acid is more acidic than acetic acid.

$(D)$ Dimerisation of acetic acid in benzene.

$(a)\,B{r_2}(l) \to B{r_2}(g)$

$(b)\,{H_2}O(s) \to {H_2}O(g)$ 

$(c)\,{N_2}\,\left[ {1\,atm,\,{{100}\,^o}C} \right] \to {N_2}\,\left[ {1\,atm,\,{{150}\,^o}C} \right]$

$(d)\,{N_2}\,(g) + 3{H_2}(g) \to 2N{H_3}(g)$

$(e)\,CaC{O_3}(s) \to CaO(s) + C{O_2}(g)$

$(a)\,\,CH_3CO_2^-$                                                    $(b)\,\,H_2O$
$(c)\,\,CH_3SO_3^-$                                                    $(d)\,\,\bar OH$

$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$

at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)