Question
| 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) Octahedral geometry | (a) $B _2$ molecule |
| (2) Unidentified molecule | (b) $O _2$ molecule |
| (3) Bond order-one | (c) $SF _6$ |
| (4) Paramagnetic | (d) $He _2$ |
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| 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. 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. 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) 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) Amphoprotic solvent | (a) $CO _3^{2-}$ |
| (2) Conjugate base of $HCO _3^{-}$ | (b) $BF _3$ |
| (3) $CH _3 COOH$ | (c) $NH _3$ |
| (4) Lewis acid | (d) A weak base |
| Column A | Column B |
| (1) Molar mass of NaCl | (b) mass-volume unit |
| (2) Number of moles of water in 36 gm | (b) mass-volume unit |
| (3) Empirical formula of Benzene | (c) $58.5 gm mol ^{-1}$ |
| (4) Normality | (d) CH |
| Column A | Column B |
| 1. But-1-ene and But-2-ene | (a) $F _2> Cl _2> Br _2> I _2$ |
| 2. Reactivity of halogenation in alkanes | (b) But-2-ene |
| 3. Dehalogenation of $CH_3 CHBr_2$ | (c) Position isomers |
| 4. Dehydration of Butan-2-ol | (d) But-2-ene |
| 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) $Ba ( OH )_2$ | (a) $\alpha \propto \sqrt{V}$ |
| (2) For weak acid | (b) Acidity = 2 |
| (3) Ostwald dilution law | (c) $\left[ H ^{+}\right]=\sqrt{ C . K _{ a }}$ |
| (4) For dibasic acid | (d) $K _{ a _2}< K _{ a _1}$ |
| 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 |