Ozonolysis

Q.

1. CH₃ CH₂ CH₂ CH₃

2. CH₃ CH₂ CH₂ CH₃ and CH₃ CH₃

3. CH₃ CH₂ CH₂ CH_{3 ,} CH₃ CH₃ CH₂₌ CH₂

4. CH₃ CH₂ CH₂ CH₃ and CH₂₌ CH₂

Q. 93. How to convert benzene to para Chloro benzoic acid

Q.

Propene reacts with sulphuric acid to form:

1. Propane hydrogen sulphate

2. Propene hydrogen sulphate

3. Propyl hydrogen sulphate

4. Propyl sulphate

Q.

Formation of ethylene from acetylene is an example of

1. Elimination reaction

2. Elimination reaction

3. Condensation reaction

4. Addition reaction

Q. Ethylene reacts with ozone gas to form the compound

1. $HCHO$
2. $C_2{H}_{5}OH$
3. 
4. $C{H}_{3}CHO$

Q.

Dilute aqueous KMnO₄ , at room temperature reacts with R - CH = CH - R to give

1. R - CHO

2. RCHOH - CHOHR

3. CO₂ + H₂O

4. R - COOH

Q.

An alkene 'X' of the formula $C_4{H}_8$ on ozonolysis produced acetone and formaldehyde. The product obtained when 'X' reacts with HBr is

1. n - butyl bromide

2. isobutyl bromide

3. sec. butyl bromide

4. tert. butyl bromide

Q.

Products of the following reaction

$C{H}_{3}C\equiv CC{H}_{2}C{H}_3\underset{\left(2\right)Hydrolysis}{\overset{\left(1\right)O_3}{\to }}$.....are

1. 

2. 

3. 

4. 

Q.

By acidic hydrolysis $-CN$ group changes to $-COOH$ given

I.$C{H}_3-\underset{CN}{\underset{|}{CH}}-CHO\underrightarrow{H_3{O}^{+}}C{H}_3-\underset{COOH}{\underset{|}{CH}}-CHO$

II.$C{H}_3-\underset{OH}{\underset{|}{CH}}-CN\underrightarrow{H_3{O}^{+}}C{H}_3-\underset{OH}{\underset{|}{CH}}-COOH$

III.$C{H}_3-\stackrel{O}{\stackrel{||}{C}}-CN\underrightarrow{H_3{O}^{+}}C{H}_3-\stackrel{O}{\stackrel{||}{C}}-COOH$

In which case(s) preference of nomenclature changes?

1. I

2. I, II

3. I, III

4. II , III

Q.

The alkene which on ozonolysis gives only acetone is:

1. CH₃CH = CHCH₃

2. CH₃CH = C(CH₃)₂

3. (CH₃)₂C = CH₂

4. (CH₃)₂C = C(CH₃)₂

Q. Propanal and pentan - 3 - one are the ozonolysis products of an alkene. What is the structural formula of the alkene?

Q. On reductive ozonolysis, ethylene gives:

1. aldehyde
2. ketone
3. carboxylic acid
4. ether

Q.

On an industrial scale, H₂O₂ is prepared by oxidation of:

1. 2-ethylanthraquinol

2. 2-methylanthraquinol

3. 2-ethylanthraquinine

4. 2-ethylanthraquinone

Q. One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of $44u$. The alkene is:

1. Ethene
2. Propene
3. But-1-ene
4. But-2-ene

Q. 13.Total number of sp hybridised carbon atom in the following structure is CH³–CH=C=C=CH–C triple bond CH

Q.

Among the following substituted silanes, the one which will give rise to cross-linked silicone polymer on hydrolysis is:

1. 

2. 

3. 

4. 

Q.

One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 amu. The alkene is :

1. Ethane

2. Propene

3. 1- butene

4. 2-butene

Q. In which of the following case, the product of oxidative and reductive ozonolysis is/are different?

1. 
2. 
3. 
4. 

Q.

Addition of ozone molecule to alkene to form ozonide is known as:

1. Dehalogenation

2. Ozonolysis

3. Polymerization

4. Dehydrohalogenation

Q.

Dehydrohalogenation of an alkyl halide is a/an

1. Nucleophilic substitution reaction

2. Elimination reaction

3. Both nucleophilic substitution and elimination reaction

4. Rearrangement

Q.
$C{H}_{3}C\equiv CC{H}_3\underset{ii)\frac{H_{2}O}{Zn}}{\stackrel{i)X}{}}C{H}_3-\underset{O}{\underset{|}{C}}-\underset{O}{\underset{|}{C}}-C{H}_3$

X in the above reaction.

1. $HN{O}_3$
2. $O_2$
3. $O_3$
4. $KMn{O}_4$

Q. In which of the following cases, the product of reductive ozonolysis has the same number of carbon atoms as in the reactant?

1. 
2. 
3. 
4. 

Q.

One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 amu. The alkene is :

1. Ethane

2. Propene

3. 1- butene

4. 2-butene

Q. Ethylene reacts with ozone to give

1. Formaldehyde
2. Ethyl alcohol
3. Ozonide
4. Acetaldehyde

Q. Write down the products of ozonolysis of 1, 2 - dimethylbenzene (o -xylene). How does the result support Kekules structure for benzene?

Q.

In a reaction

Where M = molecule; R = reagent M and R are

1. 

2. 

3. 

4. 

Q.

Partial reduction of A is selectively done using :

Q.

Identify the compound that exhibits tautomerism:

1. 2-Butene

2. Lactic acid

3. 2-Pentanone

4. Phenol

Q. An alkene on reductive ozonolysis gives $2$ molecules of $C{H}_2(CHO{)}_2$ The alkene is

1. $2,4-$ hexadiene
2. $1,3-$ cyclohexene
3. $1,4-$ cyclohexadiene
4. $1-$ methyl $-1,3-$ cyclopentadiene
5. $1,2-$ dimethylcyclopropene

Q.

A single compound of the structure

is obtainable from ozonolysis of which of the following cyclic compounds ?

1. 

2. 

3. 

4.