The alcohol expected to have the lowest pKa value among the following is -
1. Ethanol
2. 2-Fluoro ethanol
3. 2,2,2-Trifluoroethanol
4. 2-Chloroethanol
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe product 'B' in the below mentioned reaction is-
1. Phenol
2. Benzol
3. Sodium benzoate
4. Benzal
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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 & BiologyA gas that comes out when ethyl alcohol is heated with methyl magnesium iodide, is -
1. Methane
2. Ethane
3. Carbon dioxide
4. Propane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe conversion of cyclohexanol into cyclohexene is most effective with
1. Concentrated H3PO4
2. Concentrated HCl
3. Concentrated HCl / ZnCl2
4. Concentrated HBr
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe product in the below mentioned reaction is:
1. | |
2. | |
3. | C6H5OC6H5 |
4. | C2H5OC2H5 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen vapour of a secondary alcohol is passed over heated copper at 573 K, the product formed is -
1. A carboxylic acid
2. An aldehyde
3. A ketone
4. An alkene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe major products C and D formed in the following reaction respectively are:
\(CH_3CH_2CH_2OC{(CH_3)}_3 \xrightarrow[\Delta]{\text{Excess}\ HI}\ C + D\)
1. H3C-CH2-CH2-I and I-C(CH3)3
2. H3C-CH2-CH2-OH and I-C(CH3)3
3. H3C-CH2-CH2-I and HO-C(CH3)3
4. H3C-CH2-CH2-OH and HO-C(CH3)3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA | B | |
1. | |
|
2. | ||
3. | |
|
4. | |
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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