| Column A | Column B |
| 1. Bayer's reagent | (a) $C _{12}$ to $C _{16}$ |
| 2. Ozonolysis of but-2-ene | (b) $CH _3- CH _2- CHO$ |
| 3. Hydroformylation of ethene | (c) Test for unsaturation |
| 4. Kerosene oil | (d) $CH _3 CHO$ |
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| Column A | Column B |
| 1. $S _2 O _3{ }^{2-}$ | (a) $-\frac{1}{3}$ |
| 2. Maximum oxidation number of chlorine | (b) $+2$ |
| 3. Oxidation number of N in $N _3 H$. | (c) Oxidation number of $S$ is -2 . |
| 4. Oxidation number of oxygen in $OF _2$ | (d) $+6$ |
| Column A | Column B |
| (1) Number of elements in fourth period of periodic table | (a) Actinoids series |
| (2) d-block elements | (b) $[ Ar ] 3 d^5 4 s^2$ |
| (3) 5f series | (c) 18 |
| (4) Mn-electronic configuration | (d) Transition elements |
| Column A | Column B |
| (1) Elements in metals. having highest melting point | (a) Hoffnium (Hf) |
| (2) II electron gain enthalpy of oxygen | (b) III > II > 1 |
| (3) Sequence of ionization enthalpy | (c) Positive |
| (4) II member of 5d series | (d) Tungsten (W) |
| Column A | Column B |
| (1) Zero energy of electron | (a) 2s, 2p. |
| (2) Orbitals in second shell | (b) 4 |
| (3) Maximum number of electrons in dorbital | (c) at infinite |
| (4) Number of lobes in d-orbital | (d) 10 |
| Column A | Column B |
| (1) Orientation of orbital | (a) Spin quantum numbers |
| (2) Electronic confi- guration of Pd | (b) Magnetic quantum numbers |
| (3) Heisenberg's uncer- tainty principle | (c) $[ Kr ] 4 d^{10} 5 s^0$ |
| (4) Quantum numbers which do not depend on other quantum numbers | (d) $\Delta x \times \Delta P =\frac{h}{4 \pi}$ |
| Column A | Column B |
| (1) $CO _3^{2-}$ | (a) Bond order 1.33 |
| (2) $MgCl _2$ | (b) $O _2^{-}$ |
| (3) Zero bond order | (c) lonic compound |
| (4) Super oxide | (d) $BeF _2$ |
| Column A | Column B |
| (1) $s p^3$ hybridisation | (a) $CO _2$ |
| (2) Linear geometry | (b) $H _2 O$ |
| (3) Bond angle $104.5^{\circ}$ | (c) $CCl _4$ |
| (4) One l.p at central atom | (d) $NH _3$ |
| Column A | Column B |
| 1. CNG | (a) $C _6$ to $C _8$ |
| 2. Petrol | (b) Liquid natural gas |
| 3. LPG | (c) Liquid natural gas |
| 4. Aromatisation | (d) Propane and butane |
| 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) Energy mass equation of Einstein | (a) $KE =\frac{1}{2} m v^2$ |
| (2) Wavelength of Balmer series | (b) Linear spectrum |
| (3) Atomic spectrum | (c) $4000 Å-7000 Å$ |
| (4) Kinetic energy | (d) $E = mc ^2$ |