Question
| Column A | Column B |
| (1) Potassium (K) | (a) Elements after ${ }_{92} U$ |
| (2) Chalcogen | (b) Elements of IV period |
| (3) s-block elements | (c) He |
| (4) Peruranium elements | (d) Halogen |
✓
Answer
(1) (b), (2) (d), (3) (c), (4) (a).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
More "Match the following." from PART - 1 CH - 3 Classification of Elements and Periodicity in Properties→PART - 1 CH - 3 Classification of Elements and Periodicity in Properties — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→
Similar questions
| Column A | Column B |
| (1) $\Delta H _s$ | (a) R |
| (2) $C _{ p }- C _{ V }$ | (b) System + surroundings |
| (3) Law of conservation of energy | (c) $\Delta H _{ f }+\Delta H _V$ |
| (4) Universe | (d) First law of thermodynamics |
Match the column A with column B and select the correct code.
| Column A | Column B |
| 1.Acidic property | (a)  |
| 2. Positive mesomeric effect | (b) Inductive effect |
| 3. Unstable effect | (c) Aniline |
| 4. Stable effect | (d) Electromeric effect |
Match column A and column B and choose the right code :
→| Column A | Column B |
| 1. On Ag electrode, the electrolysis of aqueous solution of $AgNO _3$ | (a) $K _2 Cr _2 O _7$ |
| 2. $Cr < Mg < K$ | (b) $CHCl _3$ |
| 3. Different mathmetical value of valency and oxidation number of carbon | (c) Reducing capacity |
| 4. Oxidizing property | (d) On cathode Ag and on anode $Ag ^{+}$ |
| Column A | Column B |
| (1) Unit of amount of substance | (a) Physical properties |
| (2) Cancer treatment medicine | (b) Mole |
| (3) $10^9$ | (c) Cisplatin |
| (4) Viscocity | (d) giga |
| Column A | Column B |
| (1) Elements in metals. having highest melting point | (a) Hoffnium (Hf) |
| (2) II electron gain enthalpy of oxygen | (b) III > II > 1 |
| (3) Sequence of ionization enthalpy | (c) Positive |
| (4) II member of 5d series | (d) Tungsten (W) |
| 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) $BeF _2$ |
Match column A and column B and choose the right code :
→| Column A | Column B |
| 1. $S _2 O _3{ }^{2-}$ | (a) $-\frac{1}{3}$ |
| 2. Maximum oxidation number of chlorine | (b) $+2$ |
| 3. Oxidation number of N in $N _3 H$. | (c) Oxidation number of $S$ is -2 . |
| 4. Oxidation number of oxygen in $OF _2$ | (d) $+6$ |
Match the column A with column B and select the correct code.
→| Column A | Column B |
| 1. Hyperconjugation | (a) Elimination reaction |
| 2. $CH _4 \rightarrow CH _3 Cl$ | (b) $\sigma$ bond resonance |
3.  | (c) Electrophilic addition reaction |
| 4. $CH _2= CH _2+ HBr$ | (d) Substitution reaction |
| Column A | Column B |
| (1) Acidity | (a) Velocity per second |
| (2) Acceleration | (b) Heterogenous mixture |
| (3) Mixture of iron filling and sulphur powder | (c) Chemical properties |
| (4) Diamond | (d) Elements |
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 |