| 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 |
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| 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) Potassium (K) | (a) Elements after ${ }_{92} U$ |
| (2) Chalcogen | (b) Elements of IV period |
| (3) s-block elements | (c) He |
| (4) Peruranium elements | (d) Halogen |
| Column A | Column B |
| (1) Spontaneous process | (a) conversion of ice to water |
| (2) Entropy | (b) $\Delta G$ negative |
| (3) Mechanical energy | (c) Measure of disorder of system |
| (4) Isothermal process | (d) conversion of mechanical energy to kinetic energy |
| Column A | Column B |
| 1. Oxidation number of carbon in graphite | (a) $-2$ to $+6$ |
| 2. $Zn > Cu > Ag$ | (b) $-1$ |
| 3. Oxidation number of hydrogen in hydrides | (c) Electrochemical series |
| 4. Oxidation number of sulphur | (d) Zero |
| Column A | Column B |
| (1) Bond angle 120° | (a) $s p^3-s p^3$ overlapping |
| (2) $H _2^{-}< H _2{ }^{+}< H _2$ | (b) $\left[ Ni ( CN )_4\right]^{2-}$ |
| (3) $d s p^2$ hybridisation | (c) Benzene |
| (4) C-C bond in ethane | (d) Increasing order of stability |
| Column A | Column B |
| (1) Deci | (a) atomic mass |
| (2) Equivalent weight of atom Valency | (b) weight-weight unit |
| (3) $6.022 \times 10^{22}$ carbon atom | (c) 1/10 |
| (4) Molality | (d) 1.2 gm carbon |
| Column A | Column B |
| 1. $Cr _2 O _{7( aq )}^{2-} \longrightarrow Cr _{( aq )}^{+3}$ | (a) Reduction |
| 2. $2 Br _{2(l)} \longrightarrow 4 Br _{( aq )}^{-}$ | (b) Oxidation |
| 3. $CuSO _4$ | (c) Reduction |
| 4. $Na _2 S_2 O _3$ | (d) Reducing agent |
| Column A | Column B |
| 1. Oxidation number of S in $H _2 SO _5$. | (a) Always integer |
| 2. Bleaching powder | (b) Equivalent weight $=$ Molecular weight |
| 3. In $FeSO _4 \cdot 7 H _2 O$ | (c) $CaOCl _2$ |
| 4. Valency | (d) $+6$ |
| 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) 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 |