a. | |
b. | |
c. |
Statement I: | Sulphuric acid not used during the reaction of alcohols with KI. |
Statement II: | H2SO4 is an oxidizing agent, it oxidizes HI produced in the reaction to I2 . |
1. Both Statement I and Statement II are true.
2. Statement I is true and Statement II is false.
3. Both Statement I and Statement II are false.
4. Statement I is false, Statement II is true.
Assertion (A): | CCl4 does not give a white precipitate with AgNO3. |
Reason (R): | CCl4 is a covalent compound. |
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 a True statement but (R) is False. |
4. | Both (A) and (R) are False statements. |
Assertion (A): | Vinyl chloride doesn't give a substitution reaction. |
Reason (R): | Carbon chloride bond has double bond character due to resonance. |
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. |
Assertion (A): | chlorine is an electron-withdrawing group, yet it is ortho-, para- directing in electrophilic aromatic substitution reactions. |
Reason (R): | Halogen atom is a ring deactivator. |
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. |
Match the items in column I with the column II.
Column I: Structures | Column II: IUPAC name |
a. | i. 4-Bromo- 3-methylpent-2-ene |
b. | ii. 3-Bromo-2-methylpropene |
c. | iii. 1-Bromo-2-methylbut-2-ene |
d. | iv. 4-Bromopent-2-ene |
1. a=iii; b=iv; c=i; d=ii
2. a=ii; b=iv; c=i; d=iii
3. a=iv; b=i; c=ii; d=iii
4. a=iv; b=ii, c=iv; d=iii
Given below are two statements:
Assertion (A): | Vinyl halides do not undergo nucleophilic substitution easily. |
Reason (R): | Even though the intermediate carbocation is stabilized by loosely held p-electrons, the cleavage is difficult because of strong bonding. |
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. |
Ethylene chloride and ethylidene chloride are isomers. Identify the correct statements.
a. | Both the compounds form same product on treatment with alcoholic KOH |
b. | Both the compounds form same product on treatment with aq. NaOH |
c. | Both the compounds form same product on reduction |
d. | Both the compounds are optically active |
Choose the correct option:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
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 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)