Assertion (A): | CCl4 doesn't give precipitate of AgCl on heating with AgNO3. |
Reason (R): | CCl4 is a non-polar molecule. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
Match the type of mixture of compounds in Column-I with the technique of separation/purification given in Column-II.
Column-I | Column-II | ||
A. | Two solids which have different solubilities in a solvent and which do not undergo a reaction when dissolved in it | 1. | Steam distillation |
B. | Liquid that decomposes at its boiling point | 2. | Fractional distillation |
C. | Steam volatile liquid | 3. | Crystallisation |
D. | Two liquids that have boiling points close to each other | 4. | Distillation under reduced pressure |
Codes:
A | B | C | D | |
1. | 3 | 4 | 1 | 2 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
Match the terms mentioned in Column-I with the terms in Column-II.
Column-I (Term) | Column-II (Definition) | ||
A. | Carbocation | (i) | Species that can receive a pair of electrons. |
B. | Nucleophile | (ii) | Conjunction of electrons of \(C-H ~\sigma-\) bond with the empty p-orbital present in adjacent positively charged carbon. |
C. | Hyperconjugation | (iii) | sp2 hybridised carbon with empty p-orbital. |
D. | Electrophile | (iv) | Species that can donate a pair of electrons. |
Options: | A | B | C | D |
1. | (iii) | (iv) | (ii) | (i) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (i) | (iv) | (iii) | (ii) |
4. | (iv) | (i) | (iii) | (ii) |
Match the intermediates given in Column-I with their probable structure in Column-II.
Column-I |
Column-II |
||
A. |
Free radical |
(i) |
Trigonal planar |
B. |
Carbocation |
(ii) |
Pyramidal |
C. |
Carbanion |
(iii) |
Linear |
Options: | A | B | C |
1. | (i) | (i) | (ii) |
2. | (i) | (ii) | (iii) |
3. | (iii) | (i) | (ii) |
4. | (ii) | (i) | (iii) |
Match the ions given in Column I with their nature given in Column II.
Column I (Ions) |
Column II (Corresponding nature) |
||
A. | ![]() |
I. | Stable due to resonance |
B. | ![]() |
II. | Destabilised due to inductive effect |
C. | ![]() |
III. | Stabilised by hyperconjugation |
D. | ![]() |
IV. | A secondary carbocation |
Codes:
Options: | A | B | C | D |
1. | I,II | II | II | III,IV |
2. | I | II,IV | III | IV |
3. | I | IV | III | II |
4. | IV | I | III | II |
Assertion (A): | Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C ) and propanone (boiling point 56°C ). |
Reason (R): | Liquids with a difference of more than 20°C in their boiling points can be separated by simple distillation. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Assertion (A): | Energy of resonance hybrid is equal to the average of energies of all canonical forms. |
Reason (R): | Resonance hybrid cannot be presented by a single structure. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Assertion (A): | Pent-1-ene and pent-2-ene are position isomers. |
Reason (R): | Position isomers differ in the position of a functional group or a substituent. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Given below are two statements:
Assertion (A): | All the carbon atoms in H2C = C = CH2 are sp2-hybridised. |
Reason (R): | In this molecule, all the carbon atoms are attached to each other by double bonds. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
Assertion (A): | Sulphur present in an organic compound can be estimated quantitatively by the Carius method. |
Reason (R): | Sulphur is separated easily from other atoms in the molecule and gets precipitated as a light yellow solid. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |