12th Chemistry Monthly Test - 1 ( Hydroxy Compounds and Ethers )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 1 ( Hydroxy Compounds and Ethers )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Ethanol and methoxy methane are________

chain isomers
position isomers
functional isomers
metamers

The general formula for aliphatic ether is________

C_nH_2n+2O
C_nH_2nO
C_nH_2n-2O
C_2nH_2n+1O

Assertion : Phenol is more acidic than ethanol
Reason : Phenoxide ion is resonance stabilized
if both assertion and reason are true and reason is the correct explanation of assertion.

if both assertion and reason are true but reason is not the correct explanation of assertion.

assertion is true but reason is false

both assertion and reason are false.
Which of the following compounds on reaction with methyl magnesium bromide will give tertiary alcohol?
benzaldehyde

propanoic acid

methyl propanoate

acetaldehyde

The reaction of ethylene glycol with Pl₃ gives

ICH₂CH₂I
CH₂=CH₂
CH₂=CHI
ICH=CHI

An organic compound 'A' reacts with methyl magnesium chloride followed by hydrolysis to form 'B' .'B' gives a blue colour with Victor Meyers test. Identify A and B respectively.

acetaldehyde, tert butyl alcohol
acetone, iso propyl alcohol
acetaldehyde, isopropyl alcohol
acetone, ethanol

The reaction between phenol and benzoyl chloride is the present of sodium hydroxide is namd as_______ reaction.

Cannizaro
Reimer-Tiemann
Kolbe's
Schotten-Baumann

Williamson's synthesis is an example of_________.

nucleophilic addition
electrophilic addition
electrophilic substitution
nucleophilic substitution

A compound that gives a positive iodoform test is________

1-Pentanol
2-Pentanol
3-Pentanol
Pentanal

Which one of the following will react with phenol to give salicyladehyde after hydrolr.sis?

Dichlo methane
trichloroethane
trichloromethane
CO₂

Which of the following is the strongest acid?

C₆H₅CH₂OH
C₆H₅OH
C₆H₅OCH₃
CH₃OH

Consider the following reaction

C₂ H₅ OH \(\underrightarrow { { PCl }_{ 5 } } \) X \(\underrightarrow { alcKOH } \) Y \(\underrightarrow { alc{ H }_{ 2 }O|{ H }^{ + } } \) Z X, Y and Z respectively are_____.

C₂H₄, C₂H₅COCl, C₂H₅OH

The IUPAC name of phenetole is_______.

ethoxybenzene
methyl phenyl ether
diethyl ether
diphenyl ether

(CH₃)₃-C-CH(OH)CH₃\(\xrightarrow { \ \\ ConH_{ 2 }{ SO }_{ 4 }\ } X\ (major\ product)\)

(CH₃)₃CCH = CH₂
(CH₃)₂C = C (CH₃)₂
CH₂= C(CH₃)CH₂- CH₂- CH₃
CH₂= C (CH₃) - CH₂- CH₂- CH₃

RX + NaOH_(aq)\(\underrightarrow { \triangle } \)ROB + NaX The above reaction proceed by_______mechanism.

nucleophilic addition
elimination
electrophilic substitution
nucleophilic substitution

The ultimate product obtained when glycerol reacts with oxalic acid at 533K is______.

formic acid
glycerol oxalate
allyl alcohol
acrolein

Part - B

Generic 2 - Answer All Question

Give chemical test to distinguish between methanol and phenol.

Give the IUPAC names of
(i) CH₃CH(OH)CH₂OH
(ii) HO-CH₂- CH₂-OH
(iii) \( { CH }_{ 3 }-\underset { |\\ OH }{ CH } -{ COOH }\)

How will you convert C₂H₅OH to C₂H₅OC₂H₅?

Write the structure of the aldehyde, carboxylic acid and ester that yield 4- methylpent -2-en-l-ol.
Arrange the following in the increasing order of their boiling point and give a reason for your ordering
(i) Butan - 2- ol, Butan -l-ol, 2 - methylpropan -2-ol
(ii) Propan -l-ol, propan -1,2,3-triol, propan -1,3 - diol, propan -2-ol

Draw the major product formed when 1 -ethoxyprop-1 -ene is heated with one equivalent of HI

What is meta merism? Give the structure and IUPAC name of metamers of 2-methyoxy propane
Can we use nucelophiles such as NH₃,CH₃O for the Nucleophilic substitution of alcohols

Arrange the following in the decreasing order of order of acid strength.

What is the major product obtained when two moles of ethyl magnesium bromide is treated with methyl benzoate followed by acid hydrolysis.

Write two uses of ethylene glycol.

State Saytzeff's rule.

What happens when crotonaldehyde is reduced in the presence of LiAIH₄?

How will you convert of ethylene glycol to 1,4-dioxan.

Compare the acid strength in 1°, 2° and 3° alcohol giving reason.

Write the mechanism of acid catalysed dehydration of ethanol to give ethane.

Phenol is distilled with Zn dust followed by friedel - crafts alkylation with propyl chloride to give a compound B, B on oxidation gives (C) Indentify A,B and C.

Part - C

Generic 3 - Answer All Question

How is nitroglycerine prepared from glycerol?

How can the following conversion be effected? (i) Phenol to phenolphthalein.

Account for the following: (i) Phenol has a smaller dipole moment than methanol, (ii) Phenols do not give protonation reaction readily.

Account for the following: (i) Phenol has a smaller dipole moment than methanol (ii) Phenols do not give protonation reaction readily.
How does glycerol react with KHSO₄?

Account for the following:

(i) Phenol does not get protonated readily.

(ii) Phenol, benzene diazonium chloride, NaOH solution gives red dye.

Completethefollowingequations by writing the missing A,B,C,D etc.,

How will you prepare phenol (i) From chloro benzene (ii) From benzene sulphonic acid?

How is glycerol obtained commercially? State its uses.

Explain Swern oxidation of propan-2-ol to propanane.

Account for the following:
(a) Lower members of alcohols are soluble in water but higher members are not.
(b) Alcohols cannot be used as solvent for Grignard reagent.
Write a note on Friedel Crafts reaction of anisole.

Part - D

Generic 5 - Answer All Question

Distinguish between (a) Ethanol and phenol (b) Phenol and acetic acid (c) Phenol and aniline
(d) Phenol and anisole.

What are ethers? Write note on simple and mixed ethers with examples.

Give short notes on the following:·(a) Kolbe,s reaction, (b) Riemer- Tiemann reaction
Starting from phenol how would you obtain the following compounds?
(a) I, 4-benzo quinone,
(b) picric acid,
(c) Anisole?

Write all possible isomers with molecular formula C₄H₁₀O and name them.

Explain the mechanism involved in the intermolecular dehydration of alcohols to give ethers.

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12th Chemistry Monthly Test - 1 ( Hydroxy Compounds and Ethers )

St. Britto Hr. Sec. School - Madurai

12th Chemistry Monthly Test - 1 ( Hydroxy Compounds and Ethers )-Aug 2020

Part - A

Multiple Choice Question - Answer All Question

Ethanol and methoxy methane are________

The general formula for aliphatic ether is________

Assertion : Phenol is more acidic than ethanol Reason : Phenoxide ion is resonance stabilized

Which of the following compounds on reaction with methyl magnesium bromide will give tertiary alcohol?

The reaction of ethylene glycol with Pl3 gives

An organic compound 'A' reacts with methyl magnesium chloride followed by hydrolysis to form 'B' .'B' gives a blue colour with Victor Meyers test. Identify A and B respectively.

The reaction between phenol and benzoyl chloride is the present of sodium hydroxide is namd as_______ reaction.

Williamson's synthesis is an example of_________.

A compound that gives a positive iodoform test is________

Which one of the following will react with phenol to give salicyladehyde after hydrolr.sis?

Which of the following is the strongest acid?

Consider the following reaction C2 H5 OH \(\underrightarrow { { PCl }_{ 5 } } \) X \(\underrightarrow { alcKOH } \) Y \(\underrightarrow { alc{ H }_{ 2 }O|{ H }^{ + } } \) Z X, Y and Z respectively are_____.

The IUPAC name of phenetole is_______.

(CH3)3-C-CH(OH)CH3 \(\xrightarrow { \ \\ ConH_{ 2 }{ SO }_{ 4 }\ } X\ (major\ product)\)

RX + NaOH(aq)\(\underrightarrow { \triangle } \)ROB + NaX The above reaction proceed by_______mechanism.

The ultimate product obtained when glycerol reacts with oxalic acid at 533K is______.

Part - B

Generic 2 - Answer All Question

Give chemical test to distinguish between methanol and phenol.

Give the IUPAC names of (i) CH3CH(OH)CH2OH (ii) HO-CH2- CH2-OH (iii) \( { CH }_{ 3 }-\underset { |\\ OH }{ CH } -{ COOH }\)

How will you convert C2H5OH to C2H5OC2H5?

Write the structure of the aldehyde, carboxylic acid and ester that yield 4- methylpent -2-en-l-ol.

Arrange the following in the increasing order of their boiling point and give a reason for your ordering (i) Butan - 2- ol, Butan -l-ol, 2 - methylpropan -2-ol (ii) Propan -l-ol, propan -1,2,3-triol, propan -1,3 - diol, propan -2-ol

Draw the major product formed when 1 -ethoxyprop-1 -ene is heated with one equivalent of HI

What is meta merism? Give the structure and IUPAC name of metamers of 2-methyoxy propane

Can we use nucelophiles such as NH3,CH3O for the Nucleophilic substitution of alcohols

Arrange the following in the decreasing order of order of acid strength.

What is the major product obtained when two moles of ethyl magnesium bromide is treated with methyl benzoate followed by acid hydrolysis.

Write two uses of ethylene glycol.

State Saytzeff's rule.

What happens when crotonaldehyde is reduced in the presence of LiAIH4?

How will you convert of ethylene glycol to 1,4-dioxan.

Compare the acid strength in 1°, 2° and 3° alcohol giving reason.

Write the mechanism of acid catalysed dehydration of ethanol to give ethane.

Phenol is distilled with Zn dust followed by friedel - crafts alkylation with propyl chloride to give a compound B, B on oxidation gives (C) Indentify A,B and C.

Part - C

Generic 3 - Answer All Question

How is nitroglycerine prepared from glycerol?

How can the following conversion be effected? (i) Phenol to phenolphthalein.

Account for the following: (i) Phenol has a smaller dipole moment than methanol, (ii) Phenols do not give protonation reaction readily.

Account for the following: (i) Phenol has a smaller dipole moment than methanol (ii) Phenols do not give protonation reaction readily.

How does glycerol react with KHSO4?

Account for the following: (i) Phenol does not get protonated readily. (ii) Phenol, benzene diazonium chloride, NaOH solution gives red dye.

Completethefollowingequations by writing the missing A,B,C,D etc.,

How will you prepare phenol (i) From chloro benzene (ii) From benzene sulphonic acid?

How is glycerol obtained commercially? State its uses.

Explain Swern oxidation of propan-2-ol to propanane.

Account for the following: (a) Lower members of alcohols are soluble in water but higher members are not. (b) Alcohols cannot be used as solvent for Grignard reagent.

Write a note on Friedel Crafts reaction of anisole.

Part - D

Generic 5 - Answer All Question

Distinguish between (a) Ethanol and phenol (b) Phenol and acetic acid (c) Phenol and aniline (d) Phenol and anisole.

What are ethers? Write note on simple and mixed ethers with examples.

Give short notes on the following:·(a) Kolbe,s reaction, (b) Riemer- Tiemann reaction

Starting from phenol how would you obtain the following compounds? (a) I, 4-benzo quinone, (b) picric acid, (c) Anisole?

Write all possible isomers with molecular formula C4H10O and name them.

Explain the mechanism involved in the intermolecular dehydration of alcohols to give ethers.

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Assertion : Phenol is more acidic than ethanol
Reason : Phenoxide ion is resonance stabilized

The reaction of ethylene glycol with Pl₃ gives

Consider the following reaction

C₂ H₅ OH \(\underrightarrow { { PCl }_{ 5 } } \) X \(\underrightarrow { alcKOH } \) Y \(\underrightarrow { alc{ H }_{ 2 }O|{ H }^{ + } } \) Z X, Y and Z respectively are_____.

(CH₃)₃-C-CH(OH)CH₃\(\xrightarrow { \ \\ ConH_{ 2 }{ SO }_{ 4 }\ } X\ (major\ product)\)

RX + NaOH_(aq)\(\underrightarrow { \triangle } \)ROB + NaX The above reaction proceed by_______mechanism.

Give the IUPAC names of
(i) CH₃CH(OH)CH₂OH
(ii) HO-CH₂- CH₂-OH
(iii) \( { CH }_{ 3 }-\underset { |\\ OH }{ CH } -{ COOH }\)

How will you convert C₂H₅OH to C₂H₅OC₂H₅?

Arrange the following in the increasing order of their boiling point and give a reason for your ordering
(i) Butan - 2- ol, Butan -l-ol, 2 - methylpropan -2-ol
(ii) Propan -l-ol, propan -1,2,3-triol, propan -1,3 - diol, propan -2-ol

Can we use nucelophiles such as NH₃,CH₃O for the Nucleophilic substitution of alcohols

What happens when crotonaldehyde is reduced in the presence of LiAIH₄?

How does glycerol react with KHSO₄?

Account for the following:

(i) Phenol does not get protonated readily.

(ii) Phenol, benzene diazonium chloride, NaOH solution gives red dye.

Account for the following:
(a) Lower members of alcohols are soluble in water but higher members are not.
(b) Alcohols cannot be used as solvent for Grignard reagent.

Distinguish between (a) Ethanol and phenol (b) Phenol and acetic acid (c) Phenol and aniline
(d) Phenol and anisole.

Starting from phenol how would you obtain the following compounds?
(a) I, 4-benzo quinone,
(b) picric acid,
(c) Anisole?

Write all possible isomers with molecular formula C₄H₁₀O and name them.