Ester

Q. What is the prefix and suffix for -COO- functional group?

1. -carboxy, -oite
2. -carbonyl, -oicate
3. -alkoxy, -oate
4. -alkoxycarbonyl, -oate

Q. The $\text{IUPAC}$ name for the following compound is :

1. 2, 5-dimethyl-6-carboxy-hex-3-enal
2. 2, 5-dimethyl-5-carboxy-hex-3-enal
3. 6-formlyl-2-methyl-hex-3-enoic
4. 2, 5-dimethyl-6-oxo-hex-3-enoic acid

Q. The IUPAC name of $C{H}_{3}COCH(C{H}_3{)}_{2}is$

1. 2-Methyl-3 bytanone
2. 4-Methylisopropyl ketone
3. 3-Methyl-2-butanone
4. lsopropylmethyl ketone

Q. Match the following $IUPAC$ names given in Column $I$ with their common names given in Colum $II$ and choose the correct option from the codes given below.

	Column $I$ ($IUPAC$ name)		Column $II$ (Common name)
$A.$	4-Methyl phenol	$1$	Catechol
$B.$	Benzene-1, 4-diol	$2$	Quinol
$C.$	Benzene-1, 2-diol	$3$	o-cresol
$D.$	2-Methyl phenol	$4$	p-cresol

1. $A.$	$B.$	$C.$	$D.$
   $4$	$2$	$1$	$3$

2. $A.$	$B.$	$C.$	$D.$
   $1$	$2$	$3$	$4$

3. $A.$	$B.$	$C.$	$D.$
   $1$	$2$	$4$	$3$

4. $A.$	$B.$	$C.$	$D.$
   $4$	$3$	$2$	$1$

Q.

Write structures of the compounds whose IUPAC names are as follows:

(i) 2-Methylbutan-2-ol

(ii) 1-Phenylpropan-2-ol

(iii) 3, 5-Dimethylhexane −1, 3, 5-triol

(iv) 2, 3 − Diethylphenol

(v) 1 − Ethoxypropane

(vi) 2-Ethoxy-3-methylpentane

(vii) Cyclohexylmethanol

(viii) 3-Cyclohexylpentan-3-ol

(ix) Cyclopent-3-en-1-ol

(x) 3-Chloromethylpentan-1-ol.

Q.

Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names.

(i) CH₃CO(CH₂)₄CH₃ (ii) CH₃CH₂CHBrCH₂CH(CH₃)CHO

(iii) CH₃(CH₂)₅CHO (iv) Ph-CH=CH-CHO

(v) (vi) PhCOPh

Q.

The first member of the ester homologous series is?

1. Methyl ethanoate

2. ethyl ethanoate

3. Methylmethanoate

4. ethylmethanoacte

Q. (a) Write the IUPAC name and structural formula of methyl n-propyl ether.
(b) Give equations for preparation of ether by the following reactions:
(i) dehydration of alcohols
(ii) Williamson synthesis.
(c) Write the resonance structures of alkoxy benzene.

Q. What is the prefix and suffix for -COO- functional group?

1. -carboxy, -oite
2. -alkoxy, -oate
3. -alkoxycarbonyl, -oate
4. -carbonyl, -oicate

Q. Correct IUPAC name of compound is:

1. $\text{Ethyl 2-ethyl-3-methylbut-2-enoate}$
2. $\text{1-Ethoxy-2-ethyl-3-methyl-2-butenal}$
3. $\text{2-Methyl-2-pentenyl propanoate}$
4. $\text{Ethyl-2, 3-diethylbut-2-enoate}$

Q.
Name this compound.

1. benzyl methanoate
2. methyl benzoic acid
3. methyl benzoate
4. ethyl benzoate

Q. The correct IUPAC name of the given compound is:

1. 6-nitro-3(carboxy ethyl) heptanoic acid
2. 4-nitro-(3-nitro propyl) hexane-1, 6-dioic acid
3. 7-nitro-4(carboxymethyl) heptanoic acid
4. 3-(3-nitro propyl) hexane-1, 6-dioic acid

Q. Which of the following is the correct IUPAC name of the compound below?
$BrC{H}_2-\left(CON{H}_2\right)CH-CO-C{H}_2-C{H}_3$

1. $\text{4-(Bromomethyl)-3, 5-dioxohexanamine}$
2. $\text{4-(Bromomethyl)-5-amidehex-3-one}$
3. $\text{2-(Bromomethyl)-3-oxopentanamide}$
4. $\text{3-(Bromoethyl)-3-oxopentanamide}$

Q. Give the common names of the following compounds which have been named according to the IUPAC system of nomenclature.
Ethanoic acid

Q. Give the common names of the following compounds which have been named according to the IUPAC system of nomenclature.
Methyl ethanoate

Q. In which of the following compound, the functional group is tautomeric with the functional group in nitro alkanes?

1. Alkyl nitrites
2. Nitroso alkanes
3. Nitroso amines
4. Diazo compounds.

Q.

The first member of the ester homologous series is?

1. Methyl ethanoate

2. Ethyl ethanoate

3. Methyl methanoate

4. Ethyl methanoate

Q.
Name this compound.

1. benzyl methanoate
2. methyl benzoic acid
3. methyl benzoate
4. ethyl benzoate

Q. from the structures given below answer the following questions
1) CH3-CH2-CH(OH)-CH3
2) (CH3)2-C(OH)-CH3
3) CH3-CH2-CH2-CH2-OH
4)CH3-O(CH3)-CH-CH3
5)CH3-CH2-O-CH2-CH3
6)CH3-CH(CH3)-CH2-OH
A) THE PAIR OF COMPOUNDS THAT REPRESENTS CHAIN ISOMERISM
B)THE PAIR OF COMPOUNDS THAT REPRESENTS POSITION ISOMERISM
C)THE PAIR OF COMPOUNDS WHICH ARE FUNCTIOANALGROUP ISOMERS
D)THE COMPOUNDS THAT FORMS PAIRS OF METAMERS.

Q.

Write structures of the compounds whose IUPAC names are as follows:

(i) 2-Methylbutan-2-ol

(ii) 1-Phenylpropan-2-ol

(iii) 3, 5-Dimethylhexane −1, 3, 5-triol

(iv) 2, 3 − Diethylphenol

(v) 1 − Ethoxypropane

(vi) 2-Ethoxy-3-methylpentane

(vii) Cyclohexylmethanol

(viii) 3-Cyclohexylpentan-3-ol

(ix) Cyclopent-3-en-1-ol

(x) 3-Chloromethylpentan-1-ol.

Q. Give the common names of the following compounds which have been named according to the IUPAC system of nomenclature.
Propane-1, 2, 3-tri-carboxylic acid

Q. Correct IUPAC name of compound is:

1. $\text{1-Ethoxy-2-ethyl-3-methyl-2-butenal}$
2. $\text{Ethyl-2, 3-diethylbut-2-enoate}$
3. $\text{Ethyl 2-ethyl-3-methylbut-2-enoate}$
4. $\text{2-Methyl-2-pentenyl propanoate}$

Q.

what u mean by allylic alcohol?