| Column A | Column B |
| 1.$CH _3 CH _2 OH$ and $CH _3 OCH _3$ | (a) Negative carbon $sp ^3$ hybridization |
2.  | (b) $- NO ^2$ group |
| 3. $: \overline{ C } H _3$ | (c) Functional group isomerism |
| 4. $-I$ effect | (d) Metamerism |
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| Column A | Column B |
| 1.Acidic property | (a)  |
| 2. Positive mesomeric effect | (b) Inductive effect |
| 3. Unstable effect | (c) Aniline |
| 4. Stable effect | (d) Electromeric effect |
| 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) Unit of dipole moment | (a) F-F < CI-CI |
| (2) Liquid compound | (b) $H _2 O$ |
| (3) Bond shape | (c) HF |
| (4) Bond enthalpy | (d) Debye (D) |
| Column A | Column B |
| (1) Eka-aluminium | (a) Cs (Caesium) |
| (2) Maximum metallic property table | (b) Ionic property |
| (3) Penetrating power of orbitals | (c) Ga (Gallium) |
| (4) $NaCl > MgCl _2$ | (d) More ionisation enthalpy |
| Column A | Column B |
| (1) $s p^2$ hybridisation | (a) $BeCl _2$ |
| (2) $s p^3$ hybridisation | (b) $\stackrel{\oplus}{ C } H _3$ |
| (3) $Rb _2 O$ | (c) $\stackrel{+}{ N } H _4$ |
| (4) 50/s-character compound | (d) Oxide having more basic property |
| Column A | Column B |
| 1. Estimation of carbon and hydrogen | (a) Estimation of halogen |
| 2. Carius process | (b) Lateral overlapping |
| 3. $\pi$ Bond | (c) Methyl free radical |
| 4. Homolytic cleavage of $C - C$ bond of ethane | (d) Liebig combustion process |
| Column A | Column B |
| (1) Planck's quantum theory | (a) dipositive charge |
| (2) Value of $l$ for 3d | (b) E = hv |
| (3) Numbers of unpaired electron in $Fe ^{+2}$ | (c) 2 |
| (4) Charge on a particle | (d) 4 |
| Column A | Column B |
| (1) $H _2(g)+ I _2(g) \rightleftharpoons 2 HI ( g )$ | (a) $H _3 O ^{\oplus}$ |
| (2) $\begin{array}{l} PCl _5(g) \rightleftharpoons PCl _3(g)+ \\ Cl _2(g)\end{array}$ | (b) $K _{ p }= K _{ c }$ |
| (3) $CaCO _3(s) \rightleftharpoons CaO ( s )+$ $CO _2(g)$ | (c) Unit of $K _{ c }=$ $\left(\right.$ concentration) ${ }^1$ |
| (4) Conjugate acid of $H _2 O$ | (d) Heterogeneous equilibrium |
| Column A | Column B |
| (1) Condition of precipitation | (a) Do not hydrolysed |
| (2) II group of basic radicals | $\begin{array}{c}\text { (b) } pH = pKa + \\ \log \frac{[\text { salt }]}{[\text { acid }]}\end{array}$ |
| (3) Henderson equation | (c) $K _{ sp }< Q _{ sp }$ |
| (4) NaCl | (d) Acidic medium |
| Column A | Column B |
| (1) Enthalpy of solution | (a) irreversible process |
| (2) Volume | (b) decrease in entropy |
| (3) Spontaneous process | (c) hydration enthalpy/ salvation enthalpy |
| (4) Crystallisation of sugar from solution | (d) Extensive property |