The Williamson's synthesis reaction among the following is -
1. | |
2. | |
3. | \(C_2H_5I + C_2H_5ONa \rightarrow C_2H_5-O-C_2H_5 + NaI\) |
4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe major product of Williamson’s ether synthesis reaction would be:
1. | Benzene | 2. | Methoxy benzene |
3. | Ethoxy benzene | 4. | Ethane |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following:
List I | List II | ||
i. | O2N-C6H5-OCH3 (p) | a. | 4-Ethoxy-1,1-dimethylcyclohexane |
ii. | C2H5OCH2-CH(CH3)2 | b. | 1-Chloro-2-methoxyethane |
iii. | CH3OCH2CH2Cl | c. | 1-Ethoxy-2-methylpropane |
iv. | d. | 1-Methoxy-4-nitrobenzene |
i | ii | iii | iv | |
1. | d | c | b | a |
2. | c | d | b | a |
3. | a | c | b | d |
4. | b | c | d | a |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the starting material in Column I with the products formed (Column II) in the reaction with HI.
Column I |
Column II |
||
A. | 1. | ||
B. | 2. | ||
C. | 3. | ||
D. | 4. | ||
5. |
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 5 | 2 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 2 | 1 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the items of Column I with items of Column II.
Column l |
Column ll |
||
A. |
Reimer-Tiemann reaction |
1. |
Conversion of phenol to o-hydroxysalicylic aid |
B. |
Kolbe's reaction |
2. |
Heated copper at 573K |
C. |
Conversion of 2alcohol to a ketone |
3. |
Reaction of an alkyl halide |
D. |
Williamson's synthesis |
4. |
Conversion of phenol to salicylaldehyde |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 2 | 3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyProduct C in the following sequence of reactions is:
\(C_2H_5Br \xrightarrow{NaOH\text{(aq)}}\ A \xrightarrow{Na}\ B\ \xrightarrow{CH_3I}\ C\)
1. | Butane | 2. | Ethane |
3. | Methyl ethyl ether | 4. | Propane |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEther is more volatile than alcohol despite having the same molecular formula. This is due to -
1. Dipolar character of ethers
2. Alcohols having resonance structures
3. Intermolecular hydrogen bonding in ethers
4. Intermolecular hydrogen bonding in alcohols
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the following Williamson’s synthesis reaction,
CH3CH2ONa + CH3-Br → ?
The product will be:
1. | 1-Methoxyethane | 2. | 2-Methoxyethane |
3. | 3-Methoxyethane | 4. | 4-Methoxyethane |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the correct option based on statements below:
Assertion (A): | Ether behave as bases in the presence of mineral acids. |
Reason (R): | It is due to the presence of lone pairs of electrons on the oxygen atom. |
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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEthyl chloride is converted into diethyl ether by -
1. | Wurtz reaction | 2. | Grignard reaction |
3. | Perkin's reaction | 4. | Williamson's synthesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology