Carbon and its Compounds
An organic compound 'A' on treating with acidified potassium dichromate solution gives 'B' with molecular mass 60 gm/mol. 'A' on heating with conc. H2SO4 of 443 K produces a gas that decolourless bromine water. The compound A is
(1) n-propyl alcohol
(2) iso-propyl alcohol
(3) ethyl alcohol
(4) acetaldehyde
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Carbon and its Compounds
Which of the following organic molecules does not have carbon-carbon double bond
(1) C3H4O
(2) C3H4O2
(3) C3H8O
(4) C6H6O
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Carbon and its Compounds
Property of self-combination of the atoms of the same element to form long chains is known as
(1) Protonation
(2) Carbonation
(3) Coronation
(4) Catenation
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Carbon and its Compounds
Which of the following class of organic compound does not contain (C = O) group in some form ?
(1) Aldehydes
(2) Ethers
(3) Carboxylic acids
(4) Esters
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Carbon and its Compounds
Chlorine reacts with saturated hydrocarbons at room temperature in the
(1) absence of sunlight
(2) presence of sunlight
(3) absence of moisture
(4) presence of H2SO4
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Carbon and its Compounds
Hydrocarbon 2-methylbutane is an isomer of
(1) n-pentane
(2) n-butane
(3) propane
(4) iso-butanens.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Carbon and its Compounds
The number of carbon atom in kerosene oil is
(1) C6– C11
(2) C20 – C30
(3) C11 – C16
(4) C18 – C22
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Carbon and its Compounds
The gaseous hydrocarbon acetylene, C2H2 used in welder's torches, releases 1300 kJ. When 1 mole of C2H2 undergoes combustion, then which of the following is not TRUE ?
(1) Combustion of acetylene is an exothermic reaction
(2) The balanced chemical reaction of combustion of acetylene is : C2H2 + 5O2 - > 2CO2 + H2O
(3) 2 moles of water produced when 2 moles of acet ylene react s.
(4) 44 g of CO2 produced when 13 g of acetylene reacts.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Carbon and its Compounds
The allotrope of carbon in amorphous form among the following is .......
(1) Diamond
(2) Graphite
(3) Buckministerfullerene
(4) Coal
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
