| Column A | Column B |
| 1. $- SO _3 H$ | (a) Prefix sulpho |
| 2. Mixed ether | (b) Chain isomerism |
| 3. All $2^{\circ}$ carbon | (c) $CH _3- O - C _2 H _5$ |
| 4. n -butane and isobutane | (d) Benzene |
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| Column A | Column B |
| (1) $Ba ( OH )_2$ | (a) $\alpha \propto \sqrt{V}$ |
| (2) For weak acid | (b) Acidity = 2 |
| (3) Ostwald dilution law | (c) $\left[ H ^{+}\right]=\sqrt{ C . K _{ a }}$ |
| (4) For dibasic acid | (d) $K _{ a _2}< K _{ a _1}$ |
| Column A | Column B |
| (1) $SH ^{+4}< Sn ^{+2}$ | (a) Fluorine |
| (2) Maximum ionisation enthalpy in periods | (b) lonic radii |
| (3) Electron gain enthalpy | (c) Noble gases |
| (4) Element having maximum electro- negativity | (d) Negative |
| Column A | Column B |
| (1) Solution of $CuSO _4$ | (a) 14 |
| (2) $SnS _2$ | (b) $pH <7$ |
| (3) Relationship of $K _{ p }$ and $K _{ c }$ | (c) $K_{s p}=4 s^3$ |
| (4) $pK _{ a }+ pK _{ b }$ | (d) $K _{ p }= K _{ c }( RT )^{\Delta n}$ |
| Column A | Column B |
| (1) Maximum number of electrons in any orbital | (a) Hertz (Hz) |
| (2) Unit of frequency | $\begin{array}{l}\text { (b) } 2.188 \times 10^8 Z / n \\ cm sec ^{-1}\end{array}$ |
| (3) Velocity of electron in Bohr's orbital | (c) $[ Ar ] 3 d^{10} 4 s^1$ |
| (4) Electronic confi- guration of Cu | (d) 2 (2$l$ + 1) |
| Column A | Column B |
| (1) Isochoric process | (a) zero |
| (2) First law of thermodynamics | (b) $d V=0$ |
| (3) Density | (c) $\Delta U = q + w$ |
| (4) Enthalpy of formation of any element in transition state | (d) intensive property |
| Column A | Column B |
| (1) $CH _3 COOK$ | (a) $h=\sqrt{ Kh }$ |
| (2) $CH _3 COONH _4$ | (b) $K _{s p}=s^2$ |
| (3) pH range of acidic buffer | (c) $Kh =\frac{ K _{ w }}{ K _{ a }}$ |
| (4) For $BaSO _4$ | (d) $pK _{ a } \pm 1$ |
| Column A | Column B |
| (1) Basicity of boric acid | (a) $\Delta H$ is positive |
| (2) Proton acceptor | (b) pH < 7 |
| (3) Endothermic reaction | (c) Bronsted-Lowry base |
| (4) Aqueous solution of NH4 CI | (d) 1 |
| Column A | Column B |
| (1) Coinage metal | (a) 28 |
| (2) Elements form $M ^{+1}$ ion | (b) Cu, Ag, Au |
| (3) All metals | (c) Alkaline metals |
| (4) Number of inner transition elements | (d) group 2 |
| Column A | Column B |
| (1) s-p overlapping | (a) CsCl |
| (2) Ionic compounds soluble in water | (b) H-Cl |
| (3) Compound having cation which have pseudo inert gas configuration | (c) Amphoteric oxide |
| (4) $Al _2 O _3$ | (d) $Cu _2 Cl _2$ |
| Column A | Column B |
| (1) Hydrolysis of $BCl _3$ | (a) Most acidic oxide |
| (2) $Cl _2 O _7$ | (b) Be and Al |
| (3) Diagonal relationship | (c) $H _3 BO _3$ |
| (4) Outermost electronic configuration of s-block | (d) $ns ^1$ and $ns ^2$ |