Question
| 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) 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 |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| 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) 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) Octahedral geometry | (a) $B _2$ molecule |
| (2) Unidentified molecule | (b) $O _2$ molecule |
| (3) Bond order-one | (c) $SF _6$ |
| (4) Paramagnetic | (d) $He _2$ |
| 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) $H _2(g)+ I _2(g) \rightleftharpoons 2 HI ( g )$ | (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. Strongest reductant metal | (a) $HgCl _2$ |
| 2. Metal which react with dilute acid | (b) Lithium (Li) |
| 3. Elements which shows only negative oxidation state | (c) Mg |
| 4. Mercury (II) chloride | (d) Fluorine |
| 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) $CO _3^{2-}$ | (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) $\left[ H ^{+}\right]=\left[ OH ^{-}\right]$ | (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 |