1 |
Compound X has molecular formula C10H14O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X |
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2 |
In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X |
CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH
(CH<sub>3</sub>)<sub>3</sub>COH
CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H
CH<sub>3</sub>CH(OH)CO<sub>2</sub>H
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3 |
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1-bromobutane
2-bromobutane
1-bromo-2-methyl propane
2-bromo-2-methyl propane
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4 |
An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound |
KMnO<sub>4</sub>
Ethanol
Ethane
CH<sub>3</sub>CH<sub>2</sub>Cl
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5 |
Which structure shows a tertiary alcohol |
CH<sub>3</sub>CH<sub>2</sub>OH
(CH<sub>3</sub>)<sub>2</sub>CHOH
(CH<sub>3</sub>)<sub>3</sub>COH
CH<sub>2</sub>OH
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6 |
How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH |
1
2
3
4
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7 |
What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH |
Acidified (aq) KMnO<sub>4</sub>
Concentrated H<sub>2</sub>SO<sub>4</sub>
PCl
Sodium
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8 |
Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7 |
Butan-1-ol
Butan-2-ol
2-methyl propan-1-ol
2-methyl propan-2-ol
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9 |
How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O |
3
4
5
6
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10 |
If an electrophile attacks then ______ bond breaks first |
C - H
O - H
C - O
None of these
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11 |
Williamson's synthesis is used to prepare |
Diethylether
Phenolphthalein
Hydrogenation
Bakelite
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12 |
Phenol is also known as |
Acetic acid
Carbolic acid
Tararic acid
Trichloroacetic acid
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13 |
When phenol is distilled with zinc dust. It is reduced to |
Benzene
Benzaldehyde
Toluene
Hexanol
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14 |
Which one is used as a fuel for internal combustion engines in many European countries and Brazil |
C<sub>2</sub>H<sub>5</sub>OH
CH<sub>3</sub>OH
CH<sub>3</sub>COOH
C<sub>2</sub>H<sub>2</sub>
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15 |
Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2 |
Primary alcohol
Secondary alcohol
Tertiary alcohol
Ether
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16 |
The reaction of sodium with ethanol gives |
CH<sub>3</sub>OH
NaH
H<sub>2</sub>O
H<sub>2</sub>
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17 |
Which of the following is an isomer of ethanol |
CH<sub>3</sub>OCH<sub>3</sub>
C<sub>2</sub>H<sub>5</sub>OC<sub>2</sub>H<sub>5</sub>
CH<sub>3</sub>OH
C<sub>2</sub>H<sub>5</sub>OH
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18 |
Industrial alcohol may be denaturated by the addition of |
Methyl alcohol
Acetone
Pyridine
Any of the above reagent
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19 |
Rectified spirit contains alcohol about |
80%
85%
90%
95%
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20 |
Ethanol can be converted into ethanoic acid by |
Hydrogenation
Hydration
Oxidation
Fermentation
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21 |
Which compound is more soluble in water |
C<sub>2</sub>H<sub>5</sub>OH
C<sub>6</sub>H<sub>5</sub>OH
CH<sub>3</sub>OCH<sub>3</sub>
n-hexanol
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22 |
Which compound shows hydrogen bonding |
C<sub>2</sub>H<sub>6</sub>
C<sub>2</sub>H<sub>5</sub>CI
CH<sub>3</sub>-O-CH<sub>3</sub>
C<sub>2</sub>H<sub>5</sub>OH
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23 |
Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4 |
Butanol
Butanoic acid
Butanone
Butane
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24 |
Which of the following compounds will not react with sodium metal to release hydrogen |
CH<sub>3</sub>CH<sub>2</sub>CH<sub>3</sub>
CH<sub>3</sub>CH<sub>2</sub>OH
C<sub>6</sub>H<sub>5</sub>OH
C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>OH
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25 |
|
Aqueous bromine
Dilute HNO<sub>3</sub>
Dilute HCI
CH<sub>3</sub>COCI
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26 |
Which one of the following correctly describes the acid properties of phenol |
Stronger than HCI
Stronger than carboxylic acid
An acid stronger than carbonic acid
An acid weaker than carboxylic acid
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27 |
Phenol is used in the preparation of |
Bakelite
Phenatherene
Cellulose
All of these
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28 |
Which of the following is weakly acidic in nature |
Alcohol
Phenol
Aidehyde
Amide
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29 |
Dow's process is used for the preparation of |
Ester
Ethers
Alcohols
Phenols
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30 |
The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called |
Alcohols
Ketones
Esters
Phenols
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