Which of the following is not the characteristic of arenes:
1. More stability
2. Resonance
3. Delocalization of π electrons
4. Electrophilic addition
When 2-Bromopentane reacts with ethanolic KOH, the main product that is formed is:
1. | Cis-2-pentene | 2. | Trans-2-pentene |
3. | 1-pentene | 4. | None of the above |
Phenylacetylene undergoes a reaction with dilute H2SO4 in the presence of HgSO4 to yield:
1. | 2. | ||
3. | 4. |
Compound 'A' on chlorination gives compound 'B'. 'B' reacts with alc. KOH to give gas 'C' which decolorizes Baeyer reagent. Ozonolysis of compound 'C' gives only HCHO compound. Compound 'A' is
1. | C2 H6 | 2. | C2H4 |
3. | C4H10 | 4. | C2H5Cl |
The increasing order of electrophilic substitution for the following compounds is:
1. | IV<I<II<III | 2. | III<II<I<IV |
3. | I<IV<III<II | 4. | II<III<I<IV |
In Friedel craft reaction, Toluene can be prepared by:
1. C6H6 + CH3Cl
2. C6H5Cl + CH4
3. C6H6 + CH2Cl2
4. C6H6 + CH3COCl
The reagent used to convert propene to 1-propanol is:
1. H2O, H2SO4
2. B2H6, H2O2, OH–
3. Hg(OAc)2, NaBH4/H2O
4. Aq. KOH
On ozonolysis, the alkene that gives the following product is:
1. | |
2. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{CH}_3\) |
3. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_3\) |
4. |
A compound possessing optical isomerism provided it has the molecular formula C7H16, would be:
1. | 2,3-Dimethyl pentane | 2. | 2,2-Dimethyl butane |
3. | 2-Methyl hexane | 4. | None of the above |
The compound on reaction with NaIO4 in the presence of KMnO4 gives:
1. CH3COCH3
2. CH3COCH3 + CH3COOH
3. CH3COCH3 + CH3CHO
4. CH3CHO + CO2