Addition of water to alkynes occurs in acidic medium and in the presence of Hg2+ ions as a catalyst. Which of the following products will be formed on addition of water to but-1-yne under these conditions?

1.
2.
3.
4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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The reagent which does not react with both, acetone and benzaldehyde?

1. Sodium hydrogen sulphite   

2. Phenyl hydrazine

3. Fehling's solution                 

4. Grignard reagent

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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In the above reaction, the structure of ‘A’ and the type of isomerism shown in the final product are, respectively,: 

1. Prop-1-en-2-ol and Metamerism
2. Prop-1-en-1-ol and Tautomerism
3. Prop-2-en-2-ol and Geometrical isomerism
4. Prop-1-en-2-ol and Tautomerism

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Compounds A and C in the following reaction are:

\(\mathrm{\small{{CH}_3 {CHO} \xrightarrow[{(ii) ~H_{2}O}]{(i) ~CH_{3}MgBr}({A}) \stackrel{{H}_2 {SO}_4}{\longrightarrow}({B}) \xrightarrow[]{Hydroboration \ oxidation}(C)}}\)

1.  Identical                               

2.  Positional isomers

3.  Functional isomers       

4.  Optical isomers

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Which of the following compounds will give butanone on oxidation with alkaline KMnO4 solution?

1. Butan-1-o1                 
2. Butan-2-ol
3. Both (a) and (b)             
4. None of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Benzophenone can be obtained by:
a.  Benzoyl chloride + Benzene 
b.  Benzoyl chloride + Diphenyl cadmium
c.  Benzoyl chloride + Phenyl magnesium chloride
d.  Benzene + Carbon monoxide 

Choose the correct option

1. (a, b) 2. (b, c)
3. (c, d) 4. (a, d)
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Match the common names given in Column I with the IUPAC names given in Column II.

Column l 
(Common names)
Column ll
(IUPAC names)
A. Cinnamaldehyde 1. Pentanal 
B. Acetophenone 2. Prop-2-enal
C. Valeraldehyde 3. 1-Phenylethanone
D. Acrolein 4. 3-Phenylprop-2-en-al

Codes:

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Match the reactions given in Column-I with the suitable reagents given in Column-II. 

Column-l
(Reactions)
Column-ll
(Reagents)
A. Benzophenone → Diphenylmethane I. LiAlH4
B. Benzaldehyde → 1-Phenylethanol II. DlBAL-H
C. Cyclohexanone → Cyclohexanol III. Zn(Hg)/Conc.
HCl
D. Phenyl benzoate → Benzaldehyde  IV. CH3MgBr

Codes:

  A  B D
1.   II III IV I
2. III IV I II
3. I IV III II
4. IV III II I
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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