Which one of the following compounds can exist as cis-trans isomers? [2025]
1,1-Dimethylcyclopropane
1,2-Dimethylcyclohexane
Pent-1-ene
2-Methylhex-2-ene
(2)
1,2-Dimethylcyclohexane will show geometrical isomerism.
Baeyer’s reagent is [2024]
acidic potassium permanganate solution
acidic potassium dichromate solution
cold, dilute, aqueous solution of potassium permanganate
hot, concentrated solution of potassium permanganate.
(3)
Baeyer's reagent is cold, dilute, aqueous solution of potassium permanganate .
For the given reaction:
'P' is [2024]
(2)
Acidic potassium permanganate oxidises alkenes to ketones or acids depending upon the nature of the alkene and the experimental conditions. In the given reaction, major product is carboxylic acid.
Which amongst the following compounds will show geometrical isomerism? [2023]
Pent-1-ene
2,3-Dimethylbut-2-ene
2-Methylprop-1-ene
3,4-Dimethylhex-3-ene
(4)
It shows geometrical isomerism.
Compound X on reaction with followed by gives formaldehyde and 2-methylpropanal as products. The compound X is [2022]
3-methylbut-1-ene
2-methylbut-1-ene
2-methylbut-2-ene
pent-2-ene
(1)
The major product of the following chemical reaction is [2021]
(2)
In presence of peroxide, anti-Markownikoff addition reaction takes place.
An alkene on ozonolysis gives methanal as one of the products. Its structure is [2020]
(3)
An alkene A on reaction with and Zn– gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene A gives B as the major product. The structure of product B is [2019]
(4)
Addition of HCl to an alkene (A) will take place according to Markownikoff’s rule.
The most suitable reagent for the following conversion is [2019]
Na/liquid
, Pd/C, quinoline
Zn/HCl
(3)
Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction? [2016]
(3)
