Synthesis of Esters from Acid Chlorides and Anhydrides

Q. Which reagent converts propene to 1-propanol?

1. $H_{2}O,H_{2}S{O}_4$
2. $B_2{H}_6{H}_2{O}_2,O{H}^{-}$
3. $Hg(OAc{)}_2,NaB{H}_4/H_{2}O$
4. $Aq.KOH$

Q.

Why C6H5CL forms Ortho, para product but C6H5CCl3 form meta product?

Q. Reaction between formaldehyde and benzaldehyde in presence of concentrated $NaOH$ is known as:

1. Cannizzaro’s reaction
2. Cross Cannizzaro’s reaction
3. Cross Aldol condensation
4. Aldol condensation

Q. 46. How does acetophenone react with Naoh

Q. Consider the following reaction,

Major product (P) in the above reaction is
[0.77 Mark]

1. 
2. 
3. 
4. 

Q. Reduction of cyclohex-2-enone with aluminium isopropoxide in excess of isopropyl alcohol will produce(1) Cyclohexanl(3) Cyclohexanone(2) Cyclohex-2-enol(4) Benzene

Q. Consider the following reaction sequence:
The correct statement(s) regarding X is/are

1. It has an aldehyde functional group
2. It has a ketone functional group
3. It has carboxylic acid functional group
4. It has ester functional group

Q.

Give one word for the following:

Chemical reactions in which heat is evolved

Q. Gattermann reaction is given by:

1. $C_6{H}_6\to C_6{H}_{5}CHO$
2. $C_6{H}_6\to C_6{H}_{5}C{H}_3$
3. $C_6{H}_6\to C_6{H}_{5}Cl$
4. $C_6{H}_6\to C_6{H}_{5}N{O}_2$

Q. A compound C9H7O2Cl exists predominantly in enol form (A) and also in Keto form (B). On oxidation with KMnO4 it gives m-chlorobenzoic acid as one of the products.Identify the compound (A) and (B).

Q. $\text{(A)}\stackrel{C{l}_2}{\to }\text{(}B)\stackrel{aq.KOH}{\to }\text{(C)}\stackrel{\left[O\right]}{\to }{\text{CH}}_{3}CHO,$ Identify A, B & C-

1. 
   Ethylalcohol Ethy chloride & Ethane
2. 
   Ethane, Ethylchloride & $C{H}_3-C{H}_2-OH$
3. 
   Propane, Propychloride & $C{H}_3-C{H}_2-C{H}_2-OH$
4. 
   All the above

Q. The major product of the following reaction sequence is:

1. 
2. 
3. 
4. 

Q.

Which of the following compounds would undergo aldol condensation, which the Cannizzaro reaction and which neither? Write the structures of the expected products of aldol condensation and Cannizzaro reaction.

(i) Methanal (ii) 2-Methylpentanal

(iii) Benzaldehyde (iv) Benzophenone

(v) Cyclohexanone (vi) 1-Phenylpropanone

(vii) Phenylacetaldehyde (viii) Butan-1-ol

(ix) 2, 2-Dimethylbutanal

Q. Which of the following aldehydes does not form iodoform on heating with iodine and alkali a) pyruvic aldehyde b)ICH2CHO c)propionaldehyde d) 2-Hydroxypropanal

Q.

Condensation product of the benzaldehyde and acetophenone is

1. 

2. 

3. 

4. 

Q. 4. What will be the products when 1Bromo-2, 2dimethylcyclohexane is treated with : i) NaOMe/CH3OH ii)EtOH/ethanolic KOH (heat) (Will there be any difference in the products? If so, why? )

Q. What is the major product of the following reaction sequence ?

1. 
2. 
3. 
4. 

Q. The oxidation of benzene by $V_2{O}_5$ in the presence of air gives:

1. Benzoic acid
2. Phenol
3. Maleic anhydride
4. Benzaldehyde

Q. $CH\equiv CH\underset{H_{2}S{O}_4}{\overset{HgS{O}_4}{\to }}P\stackrel{\left[O\right]}{\to }Q\underset{\text{Pyridine}}{\overset{SOC{l}_2}{\to }}R\stackrel{(C_2{H}_5{)}_{2}Cd}{\to }S$
The end product in the above sequence of reactions is

1. Ethylethanal
2. 2-Butanone
3. Propanal
4. Propanone

Q. Which of the following statement(s) are correct for the given reaction sequence:

1. (E) and (A) has the same chemical formula
2. Step (II) has the intermediate as:
3. (D) is acetonitrile
4. Step (II) has the intermediate as:

Q. condensation blw which of following compounds followed by dehydration gives methyl vinyl ketone}1)formaldehyde, acetaldehyde2)}formaldehyde, acetone3)two molecules of acetone4)TWO MOLECULES OF ACETALDEHYDE

Q. In which of the following reactions of alcohol there is no cleavage of C-O bond?

1. Dehydration reaction of alcohol
2. Oxidation reaction of alcohol
3. Reduction reaction of alcohol
4. Reaction of alcohol with phosphorus tribromide

Q. What is the major product of the following reaction sequence ?

1. 
2. 
3. 
4. 

Q. Which of the following will undergo aldol condensation?
I)Acetaldehyde II)Propanal III) Benzaldehyde IV) Acetone

1. III only
2. I, II IV only
3. IV only
4. I & IV only

Q. Statement- I: Acetaldehyde does not show aldol condensation.
Statement- II: Compounds having at least one alpha hydrogen give aldol condensation.

1. Both the statements are true and statement-II is the correct explanation of
   statement-I.
2. Both statements are true but statement-II is not the correct explanation of
   statement-I.
3. Statement-I is true but statement-II is false
4. Statement-I is false but statement-II is true.

Q. The major product (C) in the reaction is:

1. All
2. 
3. 
4. 

Q. What is the starting material for the given oxidation reaction?

1. 
2. 
3. 
4. 

Q.

1. C₆H₅COCH₃

2. C₆H₅ - C₂H₅

3. CH₃COCl

4. CH₃COOH

Q.

2 moles of acetaldehyde are catalyzed by aluminium ethoxide to yield one mole of ethyl acetate. This is:

1. Cannizzaro’s reaction

2. Aldol condensation

3. Claisen’s reaction

4. Tischenko reaction

Q.

in this

Q Catalytic reduction of butanal?

in here what is the meaning of catalytic reduction

and how to solve ths Q??