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Chemistry Class 12 Chapter 11
Alcohols, Phenols and Ethers
Test 10
1.
Which alcohol will undergoes elimination reaction to give alkene in the presence of acidic dichromate?
All of these
Primary alcohol
Tertiary alcohol
Secondary alcohol
2.
The distinction test for primary, secondary, and tertiary alcohol required to react each of them is?
Conc. HCl and anhydrous SOCl
2
Conc. HCl and anhydrous CaCl
2
Conc. HCl and anhydrous PCl
5
Conc. HCl and anhydrous ZnCl
2
3.
Which is the property of phenol?
Colourless
Deliquescent
All of these
Crystalline solid
4.
Which is the property of alcohol?
Volatile
All of these
Soluble in water
Hydrogen bonding
5.
When phenol is nitrated, o and p-nitrophenol is formed at?
High temp.
Low temp.
No temperature condition
Room temp
6.
CH
3
OCH
3
is commonly known as?
Ethyl ether
Methyl ether
Di ethyl ether
Di methyl ether
7.
Phenol in water is?
Soluble
Not predictable
not soluble
Sparingly soluble
8.
The oxidation of isopropyl alcohol will yields?
Propanoic acid
Propane
Propanone
Propanol
9.
The given dissociation constant value 1.3x10
-3
is?
Acetic acid
Water
Phenol
Alcohol
10.
Unsaturation of phenol is removed by?
Oxidation
Hydration
Reduction
Hydrogenation
11.
in Dow’s process phenol is recovered by?
hydration
distillation
filtration
crystallization
12.
K
2
Cr
2
O
7
/H
2
SO
4
yields?
Hydrogen
Oxygen
Nascent hydrogen[H]
Nascent oxygen[o]
13.
Which is the example of aromatic hydrocarbon?
Ethanol
Methanol
Phenol
Nitric acid
14.
The compounds in which an oxygen atom is bonded to two alkyl or aryl group are called?
Alkane
Alkyl halide
Alcohol
Ether
15.
The rectified spirit contains?
100% alcohol
91% alcohol
13% alcohol
90% alcohol
16.
As a solvent, drink and fuel at a time used compound is?
Phenol
Methanol
Alcohol
Ethanol
17.
Ester formation of phenol is due to?
Bond length
-OH group
Stability factor
Bond energy
18.
Phenol was firstly derived from?
Acid rain
Coal tar
Plants
Runge
19.
Which compound is also known as carbolic acid?
Carbonic acid
Ethanol
Phenol
H
3
PO
4
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