The compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is:
1. CH3CH(OH)CH3
2. CH3CH2CH(OH)CH3
3. CH3OH
4. CH3CH2OH
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyn-Propyl alcohol and iso-propyl alcohol can be distinguished by -
1.
2. reduction
3. oxidation with potassium dichromate
4. ozonolysis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following sets of reactants which one produces anisole?
1. CH3CHO, RMgX
2. C6H5OH, NaOH, CH3I
3. C6H5OH, neutral FeCl3
4. C6H5-CH3, CH3COCl, AlCl3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is formed when sodium phenoxide is heated with ethyl iodide?
1. Phenetole
2. Ethyl phenyl alcohol
3. Phenol
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentity Z in the sequence of reactions-
CH3CH2CH=CH2 YZ
1. CH3-(CH2)3-O-CH2CH3
2. (CH3)2CH2-O-CH2CH3
3. CH3(CH2)4-O-CH3
4. CH3CH2-CH(CH3)-O-CH2CH3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe reaction of ethyl formate with an excess of CH3MgI followed by hydrolysis gives-
1. n-Propyl alcohol
2. Ethanol
3. Isopropyl alcohol
4. Propanal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPropene, CH3-CH=CH2 can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?
1. KMnO4(alkaline)
2. Osmium tetroxide (OsO4/CH2Cl2)
3. B2H6 and alk H2O2
4. O3/Zn
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a reaction,
M
M=molecules, R=reagent. M and R are
1. and NaOH
2. and aq.
3. and HCl
4. and heat
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLucas reagent is-
1. conc. HCl and anhy. ZnCl2
2. conc. HNO3 and anhy. ZnCl2
3. conc. HCl and hydrous ZnCl2
4. conc. HNO3 and hydrous ZnCl2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe general molecular formula, which represents the homologous series of alkanols is
1. CnH2nO2
2. CnH2nO
3. CnH2n+1O
4. CnH2n+2O
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology