10th Class Chemistry Important MCQs Chapter No.3 Organic Chemistry

Name of alkyl radical is written by replacing Pane" of alkane with

Lignite is soft coal used in power stations contains carbon content

Organic compounds are poor conductor of electricity due to:

Which statement is not correct for carbonization?

Which one has prepared acetic acid in Laboratory?

In laboratory urea was prepared by:

Which one is not natural fiber?

C_n H_2n is general formula of

Petroleum is refined by:

Anthracite is superior quality hard coal that is used in industry contains carbon

The strong heating of coal in retorts in the absence of air is called:

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

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

Pitch is black residue of:

Coal gas is a mixture of:

Aromatic compounds are also called:

In isopropyl hydrogen is removed from

In a benzene ring their is three alternating double bond and number of carbon atoms are:

The common variety of coal, in which carbon content is 80% used as  household coal is

 All members of homologous series are represented by general formula, general formula for alkynes is

Affin means

Para means

Carbohydrates, proteins, lipids, vitamins, pesticides, paints, dyes, etc. are
compounds:

Butyl radical is C₄H₉-, while propyl is

Atoms have similar electronic configuration:

Which one of the following is a synthetic fibre ?

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

Formula of urea is:

Compounds have the same moleculer formula but different arrangement of atoms in their molecules or different structural formula arc called:

Which statement is correct about inorganic compounds?

C₇H_15-, C₁₀H_21- are radicals

General formula of alkanes is

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

Molecular formula of butane is:

A solution of ammonia gas in water and used to prepare nitrogenous fertilizers

Coal having 90% carbon contents is called:

In C_nH_2n+2 'n' is number of carbon atoms and in alkanes 'n' ranges from

The basic condition for an element to exhibit catenation is:

The hydrocarbons and their derivatives in which covalently bonded carbon is an essential constituent:

The first organic compound urea is synthesized from inorganic substance ammonium cyanate (NH₄CNO) by:

Mixture of hydrogen, methane and carbon monoxide mainly used as a fuel in industry is

Which one of the following does not contain protein.

It is used to provide an inert or reducing atmosphere in various metallurgical  processes.

Which one of the following compounds is an aldehyde?

Which one is not property of homologous series?

Variety of materials such as rubber .paper ink, drugs, dyes, paints, varnishes and pesticides are prepared by

The ability of carbon atoms to form chains is called:

Inorganic compounds arc obtained from:

A solution of ammonia gas in water and used to prepare nitrogenous fertilizers

Which one is synthetic fiber?

In homologous series of organic compound those organic compounds are present which having

Which statement is correct about coal Tar?

The word organic signifies:

Percentage of carbon in wood is

Following are not organic compounds:

Carbon can form very strong covalent bond with hydrogen, oxygen, nitrogen and other carbon atoms due to its:

Organic compounds are:

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

Number of isomers increases with the increase in number of atoms in the given molecular formula:

Wood is used for making houses and furniture of all kinds. It is

Which one of the following does not contain starch?

Alkyl radicals are formed by the removal of one of atom from alkanes.

All of the organic compounds contain covalent bonds between:

The strength of C - C bond is 355KJ mor than of Si - Si is:

According to Lavoisier compounds are obtained from animals containing:

Natural gas is 85% methane. It is used to make

Propane has straight chain structure when terminal H is removed, it^-is called

The ability of carbon atoms to link with other carbon atoms to form long chains and large rings is called:

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

Organic compounds are used as

Peat contains 60% carbon, it is used in

The unique characteristic of organic compounds which differentiate them from inorganic substance is their tendency to exhibit the phenomenon of:

Carbonization process is the conversion of:

Naturally occuring organic compounds are obtained from:

The cyclic compounds that contain one or more atoms other than that of carbon atoms in their rings are called...

Identify which one of the following compounds is a ketone?

Organic compounds are used as

Silicon occurs in the form of:

The formula which shows the sharing of electrons between various atoms in one molecule of the organic compound is called:

The functional group —COOH is found in:

The food we cat such as milk eggs, meat, vegetablts contains carbohydrates, proteins, fats, vitamins,^- are^.all

Which one of the following is not a fossil fuel?

Depending upon the extent of carbonization process types of coals are..

Ammonical Liquor when treats with sulphuric acid it produces

It is used to provide an inert or reducing atmosphere in various metallurgical processes

Which statement is correct about coal Tar?

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

Octyl and pentyl are

Which is not characteristic of organic compounds?

Carbonization is a process of conversion of

Main component of natural gas is:

Which statement is not correct about Vital Force theory?

Ammonical Liquor when treats with sulphuric acid it produces

 Hexyl radical is

Which one of the following is the hardest coal?

The total number of elements known today are:

General formula of alkyl radical is:

Initially organic compounds are those which are obtained from:

Which scientist showed that compounds obtained from plant were made up of C,H, and O:

Naturally occuring organic compounds are obtained from: