Question
| 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) 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 |
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| 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 |
| Prefixes | Multiples |
| (i) micro | $10^6$ |
| (ii) deca | $10^9$ |
| (iii) mega | $10^{-6}$ |
| (iv) giga | $10^{-15}$ |
| $10$ |
| Column A | Column B |
| (1) Shape of orbitals | (a) $-13.6 \times \frac{ Z ^2}{n^2} eV$ per atom |
| (2) First postulate of Bohr model | (b) Total values of 1 |
| (3) Energy of electrons in Bohr's orbital $\left( E _{ n }\right)$ | (c) Azimuthal quantum numbers |
| (4) Number of subshells in any shell | (d) $m V^2=\frac{ Ze ^2}{r}$ |
| 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. 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) p-p axial overlapping | (a) Diamond |
| (2) One $\sigma$ and $1 \pi$ bond | (b) CI-CI |
| (3) Ethyne | (c) $O _2$ |
| (4) High melting point | (d) sp hybridisation |
| Column A | Column B |
| (1) Standard state of substance | (a) $\Delta G =\Delta H - T \Delta S$ |
| (2) Entropy of sublimation | (b) 1 atm pressure and 298 K temperature |
| (3) Gibbs equation | (c) non-crystalline |
| (4) Glass | (d) $\Delta S _{\text {sub }}=\frac{\Delta H _{\text {(sub) }}}{ T }$ |
| Column A | Column B |
| (1) Neutralization energy of HCl + NaOH | (a) Heat exchange due to difference in temperature |
| (2) Formation of mixture of gases | (b) 57.32 kJ |
| (3)$\Delta G$ > 0 | (c) increase in entropy |
| (4) Heat | (d) non-spontaneous process |
| Column A | Column B |
| (1) Coinage metal | (a) 28 |
| (2) Elements form $M ^{+1}$ ion | (b) Cu, Ag, Au |
| (3) All metals | (c) Alkaline metals |
| (4) Number of inner transition elements | (d) group 2 |
| Column A | Column B |
| 1. Removal of electron from any substance | (a) Reduction |
| 2. $\begin{array}{l}2 Na ( s )+ H _2(g) \longrightarrow 2 NaH ( s )\end{array}$ | (b) Both oxidant and reductant |
| 3. Conversion of mercuric chloride to mercurous chloride. | (c) Reduction of $H _2$ |
| 4. $H _2 O _2$ | (d) Oxidation |