Organic chemistry is the branch of chemistry that studies carbon-based compounds, focusing on their structure, properties, reactions, and synthesis. It plays a crucial role in developing pharmaceuticals, plastics, fuels, and many other essential materials.
10th class chemistry chapter 3 Notes
Vital force theory was rejected by: Wohler
Petroleum is refined by: Fractional distillation
The strong heating of coal in the absence of air is called: Destructive distillation
Pitch is black residue of: Coal tar
Wood contain the amount of carbon: 40%
The strong heating of coal in the absence of air called: Destructive Distiation
Aromatic compounds are given this name because of: smell they have
Percentage of carbon in peat is: 60%
The carbon contents in lignite is: 70%
Coal gas is mixture of: CO, CH4, H2
Which of the following is the hardest coal: Anthracite
Formula of Decane is: C10 H22
What one of the following does not contain protein: Potatoes
Which one of the following compounds is an aldehyde: CH3CHO
Pitch is black residue of: Coal-tar
Main component of natural gas is: Methane
Organic compounds contain: Covalent bond
The black residue of the coal tar is called: pitch
Which one of the following is a synthetic fiber: nylon
The % age of carbon is bituminous is: 80
Main component of Natrual gas: CH4
Bond energy of C-C is: 355 KJmol-1
The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as: Organic chemistry
The % age of carbon in peat is: 60%
Which one of the following is not a fossil fuel: Bio gas
Chemical formula for urea is: NH2CONH2
The example of heterocyclic compound is: Pyridine
Which of the following statement s is not true about fossil fuels: they cause acid rain
The % age of carbon in coke is: 98
Coal having 90% carbon contents is called: anthracite
n laboratory urea was prepared by: Wohler
The functional group -COOH is found in: Carboxylic acids
Who put forward ” the vital force theory”: Berzellius
The ability of carbon atoms to form chains is called: Catenation
The coal in which the percentage of carbon is 60%: Peat
The ability of carbon atom to form chain is called: Catenation
General formula of alcohols is: ROH
Which one is heterocyclic compound: Thiophene
Which one contains double covalent bound: Ethylene
Who was prepared acetic acid in laboratory: Kolbe
Which one of the following does not contain starch: Sugar cane
The % age of carbon is coal is: 40-90
Carbon content in coke is: 98%
Petroleum is refined by: fractional distillation
The % age of carbon is lignite is: 70
What is the percentage of carbon in anthracite: 90%
Which is the main component of natrual gas: Methane
Alkyl radical is derivative of: Alkane
General formula of Alkynes is: C11H2n-2
Main component of natural gas is: Methane
The general formula of alkane is: CnH2n+2
The strong heating of coal in retoris in the absence of air is called: Destructive distillation
Identify which one of the following compounds is a ketron: (CH3)2CO
Which one of the followoing is the Hardest coal: Anthracite
Percentage of methane present in natural gas is: 85%
General formula of Alkyl radical is: C11H2n-1
Which one contains triple covalent bond: Acetylene
The strone heating of coal in retorts in the absence of air is called: Destructive distillation
Alkanes are also called: Paraffins
In which of the following groups , oxygen is attached on both sides with carbon atoms: Ether group
General formula of Alkane is: C10H2n-2
Number of discovered element till today are: 118
Who put forward the vital force theory: Berzelius
Formula of Methyl alcohol: CH5-OH
Functional group of Alcohols is: #NAME?
Conversion of dead plants into coal by the action of bacteria and heat is called: Carbonization
General formula of alkyl radical is: CnH2n+1
____________ is synthetic fiber: Nylon
The ability of carbon atoms to form chains or ring called: Cantenation
The 1st organic compound prepared in laboratory: Urea
Hydrogen atoms preset in pentane are: 12
Which one of the following does ot contain protein: Potatoes
Carbonization process is the conversion of: Wood into coal
Conversion of wood into coal is called: Carbonization
Open chain compounds are also called: aliphatic compounds
The functional group- COOH is found in: Carboxylic acid
Molecular formula of butane is: C4H10
Which one of the following is a synthetic fibre: nylon
The formula which represents the actual number of atoms in one molecule of organic compound is called: Molecular formula
In which of the following groups, oxygen is attached on both sides with carbon atoms: Ether
Important : Review all previous years’ 10 class past papers for comprehensive practice and better exam preparation.