Advertisements
Advertisements
Question
Carbon exists in the atmosphere in the form of ______.
Options
carbon monoxide only
carbon monoxide in traces and carbon dioxide
carbon dioxide only
coal
Advertisements
Solution
Carbon exists in the atmosphere in the form of carbon monoxide in traces and carbon dioxide.
Explanation:
Carbon primarily exists in the atmosphere as carbon dioxide (CO2) in the air (approximately 0.04%). Carbon monoxide (CO) is also present, but only in trace amounts, mainly as an air pollutant from sources like incomplete combustion. Therefore, the most accurate description is that the atmosphere contains both CO2 and trace amounts of CO.
APPEARS IN
RELATED QUESTIONS
Name the scientist who disproved the 'vital force theory' for the formation of organic compounds.
In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formulae.
Define the following:
Adsorption
Most of our food contains compounds of carbon. True or false ?
Name the simplest organic compound.
How is gas carbon produced?
In which compound forms does carbon occur?
Answer the following question.
Draw methane electron dot structure.
How would you prove experimentally that carbon dioxide does not support combustion.
Starting from carbon dioxide how would you obtain a black particles of carbon.
[Give balanced equations for the same]
State how you would convert carbon dioxide to a metallic carbonate using a basic oxide e.g. sodium oxide. [Give a balanced equation]
Give a balanced equation for the following conversion: [In one or two steps]
Coke to water gas.
Give a balanced equation for the following conversion: [In one or two steps]
Calcium bicarbonate to calcium nitrate using a dilute acid.
Give reason for the following:
Both CO2 & SO2 turn lime water milky. Moist potassium permanganate paper, helps in distinguishing the two gases.
Compounds with same molecular formula and different structural formula are known as ______.
Structural formula of benzene is
Elemental carbon undergoes ______ reaction at room temperature.
______ is the main constituent of coal.
Carbon monoxide enters the human body through ______.
Answer the following by rearranging the jumbled letters :
In this molecule, carbon is attached to four hydrõgen atoms.
emathen.
