Question
| Column A | Column B |
| (1) Eka-aluminium | (a) Cs (Caesium) |
| (2) Maximum metallic property table | (b) Ionic property |
| (3) Penetrating power of orbitals | (c) Ga (Gallium) |
| (4) $NaCl > MgCl _2$ | (d) More ionisation enthalpy |
✓
Answer
(1) (c), (2) (a), (3) (d), (4) (b).
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Match column A and column B and choose the right code :
→| Column A | Column B |
| 1. $Cr _2 O _{7( aq )}^{2-} \longrightarrow Cr _{( aq )}^{+3}$ | (a) Reduction |
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| 4. $Na _2 S_2 O _3$ | (d) Reducing agent |
| Column A | Column B |
| (1) $CO _3^{2-}$ | (a) Bond order 1.33 |
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| (3) Zero bond order | (c) lonic compound |
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| Column A | Column B |
| (1) Condition of precipitation | (a) Do not hydrolysed |
| (2) II group of basic radicals | $\begin{array}{c}\text { (b) } pH = pKa + \\ \log \frac{[\text { salt }]}{[\text { acid }]}\end{array}$ |
| (3) Henderson equation | (c) $K _{ sp }< Q _{ sp }$ |
| (4) NaCl | (d) Acidic medium |
Match column A and B and choose correct code :
→| Column A | Column B |
| 1. Mustard gas | (a) $180^{\circ}$ |
| 2. PAN | (b) $HC \equiv CH$ |
| 3. $H - C - C$ bond angle in ethyne | (c) Polymer of vinyl cyanide |
| 4. Dehydrohalogenation $\text { in } CH_3 CHBr_2$ | (d) War gas |
Match the column A with column B and select the correct code.
→| Column A | Column B |
| 1. Hyperconjugation | (a) Elimination reaction |
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3.  | (c) Electrophilic addition reaction |
| 4. $CH _2= CH _2+ HBr$ | (d) Substitution reaction |
| Column A | Column B |
| (1) Coinage metal | (a) 28 |
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| Column A | Column B |
| (1) Neutralization energy of HCl + NaOH | (a) Heat exchange due to difference in temperature |
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| (3)$\Delta G$ > 0 | (c) increase in entropy |
| (4) Heat | (d) non-spontaneous process |
| 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) Number of elements in fourth period of periodic table | (a) Actinoids series |
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| (3) 5f series | (c) 18 |
| (4) Mn-electronic configuration | (d) Transition elements |
Match the column A with column B and select the correct code.
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| 1. Biogenesis principle | (a) Aniline |
| 2. Tetravalent carbon | (b) Berzilius |
| 3. Aromatic heterocyclic compound | (c) Pyridine |
| 4. Benzanoid aromatic compound | (d) Kekule |