Organic Chemistry:

Natural gas is 85% methane. It is used to make the following except_______

Which one contains double bond?

In which of the following groups, oxygen is attached on both sides with carbon atoms?

Which one is main source of organic compound?

The strong heating of coal in the absence of air is called______

Homologous series have same_________

The functional group -COOH is found in_______

The molecular formula of pentane is_______

• CH₄

• C₃H₃

• C₅H₁₂ 

• C₄H₁₀

(Select Correct Option)

Who put forward the vital force theory?

Functional group containing carbon, hydrogen and halogens are__________

Paraffin’s means___________

The % age of carbon in peat is____________

The ability of carbon atoms to form chains is called_____

General formula of alkyl radical is_______

• C_nH_2n+2
• C_nH_2n-2
• C_nH_2n+1
• C_nH_2n

(Select Correct Option)

Which one provide inert atmosphere in metallurgy process?

Conversion of dead plants into coal by the action of bacteria and heat is called_____

Vitamins are found in____________

The % age of carbon in bituminous is __________

Which one contains triple covalent bond?

The branch of Chemistry which deals with hydro carbons and their derivatives are called______

Alkyl radical is derivative of__________

The % age of carbon in coke is_________

Coal having 90% carbon contents is called_______

Esters are recognized by their________

Main component of natural gas is______

The strong heating of coal in the absence of air is called__________

Identify which one of the following compounds is a ketone?

• (CH3)₂CHOH

• (CH3)₂CHCl

• (CH₃)₂CO

• (CH3)₂CHCI

(Which Option is Correct)

Coal tar contains compounds_____

Coal is consisting of ________types.

___________ represents group of atoms joined together to each carbon atom.

Coal tar is a mixture of more than organic compounds_______

Who was prepared acetic acid in laboratory?

Which one of the following is not a fossil fuel?

Organic compounds are soluble in_________

Who was discarded vital force theory?

The % age of carbon is lignite is___________

Which one of the following statements is not true about fossil fuels?

The chemical formula of octane is_________

• C₅H₁₂

• C₃H₈

• C₂H₆

• C₈H₁₈

(Which Option is Correct)

Functional group C-O-C is found in__________

The % age of carbon in coal is_________

Inorganic compounds are obtained from_________

The 1^st organic compound prepared in laboratory.

Name the gas which is not found in coal gas_______

      |      |      |      |

-- C -- C-- C-- C--             is a

     |      |      |      |

Molecular formula of butane is________

• C₄H₁₀

• C₅H₅

• C₄H₈

• C₄H₆

(Select Correct Option)

The formula which represents the actual number of atoms in one molecule of organic compound is called __________

The general formula of alkane is ________

• C_nH_2n+2

• C_nH_2n-2

• C_nH_2n

• C_nH_2n+1

(Select Correct Answer)

The vital force theory suffered rejection in__________

Which one is heterocyclic compound?

Which one of the following is the hardest coal?

Silicon occurs in the form of _________

Coal is blackish complex mixture of compounds of________

How many types of formula of organic compound?

Which one of the following compounds is an aldehyde?

• CH₃ – CH₂ – OH

• CH₃ – COOH

• CH₃CHO

• CH₃COCH₃

(Which Option is Correct)

Which one is homocyclic compound?

Number of isomers increases with increase in number of ________ atoms.

In laboratory urea was prepared by_______

Which one contains triple bond?

Organic compounds have_________

Perfumes may also contains_________

The basic unit of carbohydrates is_________

Which one is used as reducing agent_________

Coal gas is a mixture of_______________

• CO & CH₄

• CO, CH₄ & CO₂

• CO, CH₄ & H₂             

• CO, H₂ & CO₂

(Select Correct Option)

Coal gas is the mixture of______

Petroleum is refined by_________

Carbonization process is the conversion of__________

Dead plants produce all of these products except_______

Which one is soft coal__________

Alkanes are also called__________

Alkyle Radical is represented as_______

The removal of terminal hydrogen from the straight chain of propane is called _____

A benzene ring is made of carbon atoms_______

Organic compound consisting of “RCOOR” functional group is called_______

The main component of natural gas is___________

Formula which represents the actual number of atoms in one molecule of organic compound is______________

Which one of the following is a synthetic fiber?

Which one of the following does not contain starch _________

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as________

CH₃-O-CH₃ is called_______

Pitch is black residue of__________

Condensed form of propane is________

• H₃CCH₃

• H₃C(CH₂)₂CH₃

• H₃CCH₂CH₃

• CH₄

(Select Correct Option)

C-C bond is stronger than_____

Which type of coal is used as house hold coal________

Functional group —OH is found.in___________

Which of the following are derived from alkanes?

Which one of the following does not contain protein?

The Characteristic of carboxylic acid are due to the presence of group in them_______

Geraniol consists of functional group_________

Natural gas is used to make_________

Conversion of wood into coal is called ________

How many Carbons are present in Heptanes?

Functional group containing — NH₂ are called________

Which of the following formula of a compound represents the exact arrangement of the different atoms of various elements present in a molecule of a substance?

Which one contains double covalent bond?

Natural gas contains_________