Q. No.Which of the following statements about the isomers ethylene dichloride and ethylidene chloride are correct?
| a. | Both the compounds form the same product on treatment with alcoholic KOH. |
| b. | Both the compounds form the same product on treatment with aq. NaOH. |
| c. | Both the compounds form the same product on reduction. |
| d. | Both compounds are optically active. |
Choose the correct option:
1. a and b
2. b and c
3. c and d
4. a and c
Sulphuric acid is not used during the reaction of alcohols with KI and acts as :
1. Reducing agent
2. Electron donor
3. Electron acceptor
4. Oxidising agent
Which of the following statements are correct about this reaction?
| (i) | The given reaction follows SN2 mechanism. |
| (ii) | (b) and (d) have opposite configuration. |
| (iii) | (b) and (d) have the same configuration. |
| (iv) | The given reaction follows SN1 mechanism |
Choose the correct option:
| 1. | (i, ii) | 2. | (ii, iii) |
| 3. | (iii, iv) | 4. | (i, iii) |
The statements regarding the reaction intermediate are given below.
| i. | Intermediate (c) is unstable because in this carbon is attached to 5 atoms. |
| ii. | Intermediate (c) is unstable because carbon atom is sp2 hybridised. |
| iii. | Intermediate (c) is stable because carbon atom is sp2 hybridised. |
| iv. | Intermediate (c) is less stable than the reactant (b). |
The correct statements are:
1. (i, ii)
2. (ii, iii)
3. (iii, iv)
4. (i, iv)
Which of the following statements is correct about the kinetics of the above-given reaction?
| (i). | The rate of reaction depends on the concentration of only (b). |
| (ii). | The rate of reaction depends on the concentration of both (a) and (b). |
| (iii). | Molecularity of reaction is one. |
| (iv). | Molecularity of reaction is two. |
Choose the correct option
| 1. | (i, ii) | 2. | (ii, iii) |
| 3. | (iii, iv) | 4. | (i, iii) |
Which of the statements are correct about the above reaction?
(i) (a) and (e) both are nucleophiles.
(ii) In (c) carbon atom is sp3 hybridized.
(iii) In (c) carbon atom is sp2 hybridized.
(iv) (a) and (e) both are electrophiles.
Choose the correct option
| 1. | (i, ii) | 2. | (ii, iii) |
| 3. | (iii, iv) | 4. | (i, iii) |
| Assertion (A): | Isopropyl chloride is more reactive than CH3Br in SN2 reactions. |
| Reason (R): | SN2 reactions are always accompanied by inversion of configuration. |
| 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. |
Which of the following statements are correct about the mechanism of this reaction?
| (i) | A carbocation will be formed as an intermediate in the reaction. |
| (ii) | OH– will attach the substrate (b) from one side and Cl– will leave it simultaneously from other side. |
| (iii) | An unstable intermediate will be formed in which OH– and Cl– will be attached by weak bonds. |
| (iv) | Reaction proceeds through SN1 mechanism |
Choose the correct option
1. (i, ii)
2. (ii, iii)
3. (iii, iv)
4. (i, iv)
The reaction of with aqueous sodium hydroxide follows:
| 1. | S1mechanism |
| 2. | S2 mechanism |
| 3. | Any of the above is depending upon the temperature of the reaction. |
| 4. | Saytzetf rule |
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