| Column A | Column B |
| 1. Biogenesis principle | (a) Aniline |
| 2. Tetravalent carbon | (b) Berzilius |
| 3. Aromatic heterocyclic compound | (c) Pyridine |
| 4. Benzanoid aromatic compound | (d) Kekule |
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| Column A | Column B |
| (1) $\left[ H ^{+}\right]=\left[ OH ^{-}\right]$ | (a) Neutral solution |
| (2) POH > PH | (b) N=2x M |
| (3) 1 M HCI solution | (c) Acidic solution |
| (4) For $H _2 SO _4$ | (d) pH = 0 |
| 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) Amphoprotic solvent | (a) $CO _3^{2-}$ |
| (2) Conjugate base of $HCO _3^{-}$ | (b) $BF _3$ |
| (3) $CH _3 COOH$ | (c) $NH _3$ |
| (4) Lewis acid | (d) A weak base |
| Column A | Column B |
| (1) For isothermal reversible process | (a) calculation of combustion energy |
| (2) Entropy change at equilibrium | (b) $\begin{array}{l} W _{ rev }=-2303 nRT \\ \log \frac{ V _{ f }}{ V _{ i }}\end{array}$ |
| (3) Ideal process | (c) $\Delta S =0$ |
| (4) Bomb calorimeter | (d) reversible process |
| Column A | Column B |
| 1. Addition reaction | (a) $\begin{array}{c} Ca ( s )+2 H _2 O ( l ) \longrightarrow Ca ( OH )_2( aq )+ H _2(g)\end{array}$ |
| 2. Decomposition reaction | (b) $C ( s )+ O _2(g) \longrightarrow CO _2(g)$ |
| 3. Displacement reaction | (c) $\begin{array}{r}2 H _2 O (l) \longrightarrow 2 H _2(g)+ O _2(g)\end{array}$ |
| 4. Disproportionation reaction | (d) $\begin{aligned} 2 H _2 O _2( aq ) \longrightarrow & 2 H _2 O ( l ) & + O _2(g)\end{aligned}$ |
| Column A | Column B |
| 1. Mustard gas | (a) $180^{\circ}$ |
| 2. PAN | (b) $HC \equiv CH$ |
| 3. $H - C - C$ bond angle in ethyne | (c) Polymer of vinyl cyanide |
| 4. Dehydrohalogenation $\text { in } CH_3 CHBr_2$ | (d) War gas |
| 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) Unit of amount of substance | (a) Physical properties |
| (2) Cancer treatment medicine | (b) Mole |
| (3) $10^9$ | (c) Cisplatin |
| (4) Viscocity | (d) giga |
| Column A | Column B |
| (1) 1 calorie | (a) $KCO _2$ |
| (2) Average atomic mass of chlorine | (b) 4.184 joule |
| (3) Mole x Molecular mass | (c) 35.5 |
| (4) Empirical formula of potassium oxalate | (d) amount in gm |
| Column A | Column B |
| (1) Solution of $CH _3 COONH _4$ | (a) Salt formed by weak acid and weak base |
| (2) $NH _4 Cl$ | (b) $pH =7$ |
| (3) $NH _4 OH + NH _4 Cl$ | (c) $Kh =\frac{ K _{ w }}{ K _{ b }}$ |
| (4) $\left( NH _4\right)_2 CO _3$ | (d) Basic buffer |