| Column A | Column B |
| 1.Nucleophilic | (a) Hydrogen |
| 2. Electrophilic | (b) $: \stackrel{\ominus}{ N } H _2$ |
| 3. Stability of carbanion | (c) Nitrogen ion |
| 4. Zero inductive effect | (d) $1^{\circ}>2^{\circ}>3^{\circ}$ |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| 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) $s p^3$ 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) Nodal plane for $P _x$ orbital | (a) 6s, 5p, 4d |
| (2) 3 unpaired electrons in nitrogen | (b) yz |
| (3) Orbitals for n = 5, $l$=2 and m =0 | (c) Hund's law of maximum |
| (4) Orbitals for n+$l$ = 6 | (d) $5 dz ^2$ |
| 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) 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. Explosive | (a) HCN |
| 2. $CH _4+ N _2 \xrightarrow{\text { electric arc }}$ | (b) $1.34$ pm |
| 3. Free rotation of carboncarbon single bond | (c) Tetraethyl lead |
| 4. $> C = C <$ Bond length | (d) Conformational isomerism |
| Column A | Column B |
| (1) Positive rays or canal rays | (a) n = A-Z |
| (2) Discovery of neutron | (b) isotones |
| (3) ${ }_{14}^{30} Si$ and ${ }_{15}^{31} P$ | (c) Chadwick |
| (4) Number of neutrons | (d) Proton |
| Column A | Column B |
| 1. Secondary amine | (a) $-al$ |
| 2. Carbinol | (b) $C _{10} H _{22}$ |
| 3. Decane | (c) $R - NH - R ^{\prime}$ |
| 4. $- CHO$ group | (d) $CH _3 OH$ |
| 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 |