MCQ
Chloride ion and potassium ion are isoelectronic. Then
- APotassium ion is relatively bigger
- BDepends on the other cation and anion
- CTheir size are same
- ✓Chloride ion is bigger than potassium ion
$K = 2,\,8,\,8,\,1$ ${K^ + } = 2,\,8,\,8$
$Cl = 2,\,8,\,7$ $C{l^ - } = 2,\,8,\,8$
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Major product $(A)$ of the above reaction
Acidified $K _2 Cr _2 O _7$, alkaline $KMnO _4, CuSO _4, H _2 O _2, Cl _2, O _3, FeCl _3, HNO _3$ and $Na _2 S _2 O _3$. The total number of reagents that can oxidise aqueous iodide to iodine is
(Consider heat capacity of all solutions as $4.2 J g ^{-1} K ^{-1}$ and density of all solutions as $1.0 \ g mL ^{-1}$ )
$1.$ Enthalpy of dissociation (in $kJ mol ^{-1}$ ) of acetic acid obtained from the Expt. $2$ is
$(A)$ $1.0$ $(B)$ $10.0$ $(C)$ $24.5$ $(D)$ $51.4$
$2.$ The $pH$ of the solution after Expt. $2$ is
$(A)$ $2.8$ $(B)$ $4.7$ $(C)$ $5.0$ $(D)$ $7.0$
Give the answer question $1$ and $2.$