An Organic Compound C 7 H 8 O Is Neither Soluble In NaOH Nor ...
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An organic compound C7H8O is neither soluble in NaOH nor gives blue colour with FeCl3, is:
(1) C6H5.CH2OH
(2) C6H4<OHCH3
(3) C6H5.OCH3
(4) none of these
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Save changesSubtopic: Ethers: Preparation & Properties, Uses | 68%Level 2: 60%+Other Reason
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Select Color:Add Note (Optional):Save changes1234View ExplanationAdd NoteMore ActionsHintsThe electrophile involved in the above reaction is: 1. Dichloromethyl cation (C⊕HCl2) 2. Dichlorocarbene (:CCl2) 3. Trichloromethyl anion (C⊝Cl3) 4. Formyl cation (C⊕HO)
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Save changesSubtopic: Phenols: Preparation & Properties | 82%Level 1: 80%+Other Reason
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Select Color:Add Note (Optional):Save changes1234View ExplanationAdd NoteMore ActionsHintsWhich of the following reagents may be used to distinguish between phenol and benzoic acid?
1. Aqueous NaOH
2. Tollens reagent
3. Molisch reagent
4. Neutral FeCl3
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Save changesSubtopic: Phenols: Preparation & Properties | 68%Level 2: 60%+Other Reason
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In the given transformation, which of the following is the most appropriate reagent ?
(1) Zn-Hg/HCl
(2) Na, Liq. NH3
(3) NaBH4
(4) NH2NH2,OH
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Save changesSubtopic: Alcohols: Preparation & Properties |Level 3: 35%-60%Other Reason
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Select Color:Add Note (Optional):Save changes1234View ExplanationAdd NoteMore ActionsPrevious DoubtsHintsAn unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts the fastest and by what mechanism:
1. secondary alcohol by SN2
2. tertiary alcohol by SN2
3. secondary alcohol by SN1
4. tertiary alcohol by SN1
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Save changesSubtopic: Alcohols: Preparation & Properties | 77%Level 2: 60%+Other Reason
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Select Color:Add Note (Optional):Save changes1234Show me in NCERTView ExplanationAdd NoteMore ActionsPrevious DoubtsHintsSodium phenoxide when heated with CO2 under pressure at 125°C yields a product which on acetylation produces C.
The major product C would be :
(1)
(2)
(3)
(4)
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Save changesSubtopic: Phenols: Preparation & Properties | 62%Level 2: 60%+Other Reason
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A compound with molecular formula C4H10O3 is converted by the action of acetyl chloride to a compound with molar mass 190. The original compound has:
(1) one OH group
(2) two OH groups
(3) three OH groups
(4) no OH group
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Select Color:Add Note (Optional):Save changes1234View ExplanationAdd NoteMore ActionsPrevious DoubtsHintsPhenyl ethyl ether with concentrated hydrobromic acid on boiling yields:-
1. Phenol and ethyl bromide
2. Bromobenzene and ethanol
3. Phenol and ethane
4. Bromobenzene and ethane
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Save changesSubtopic: Ethers: Preparation & Properties, Uses | 81%Level 1: 80%+Other Reason
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Select Color:Add Note (Optional):Save changes1234Show me in NCERTView ExplanationAdd NoteMore ActionsHintsThe compound that does not react with sodium is-
1. CH3CHOHCH3
2. CH3 —O—CH3
3. CH3COOH
4. C2H5OH
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Save changesSubtopic: Alcohols: Preparation & Properties | Ethers: Preparation & Properties, Uses | 77%Level 2: 60%+Other Reason
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Q229:An organic compound A reacts with sodium metal and forms B. On heating with conc. H2SO4, A gives diethyl ether. So A and B are: 1. C3H7OH and CH3ONa 2. CH3OH and CH3ONa 3. C4H9OH and C4H9ONa 4. C2H5OH and C2H5ONa
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Save changesSubtopic: Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol | 80%Level 1: 80%+Other Reason
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