Addition of water to alkynes occurs in acidic medium and in the presence of 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe reagent which does not react with both, acetone and benzaldehyde?
1. Sodium hydrogen sulphite
2. Phenyl hydrazine
3. Fehling's solution
4. Grignard reagent
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
The structure of ‘A’ and the type of isomerism with the final product
in the above reaction 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCompounds 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following compounds will give butanone on oxidation with alkaline solution?
1. Butan-1-o1
2. Butan-2-ol
3. Both (a) and (b)
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBenzophenone 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) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the reactions given in Column I with the suitable reagents given in Column II.
Column l (Reactions) |
Column ll (Reagents) |
A. Benzophenone → Diphenylmethane | 1. LiAlH4 |
B. Benzaldehyde → 1-Phenylethanol | 2. DlBAL-H |
C. Cyclohexanone → Cyclohexanol | 3. Zn(Hg)/Conc.HCl |
D. Phenyl benzoate → Benzaldehyde | 4. CH3MgBr |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology