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प्रश्न
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is:
(a) 2
(b) 5
(c) 3
(d) 4
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उत्तर
3
The number of isomers formed by the hydrocarbon pentane, with molecular formula C5H12, is 3. They are n-pentane, isopentane and neopentane.
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संबंधित प्रश्न
Write the number of covalent bonds in the molecule of butane, C4H10.
Name the type of bonds formed in ionic compounds and in the compounds formed by carbon.
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Name the element whose one of the allotropic forms is buckminsterfullerene.
Name a carbon containing molecule which has two double bonds.
Fill in the following blank with suitable word:
The form of carbon which is known as black lead is ...........
What type of bond exist in CCl4?
A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia
A saturated hydrocarbon has fifty hydrogen atom in its molecule. The number of carbon atoms in its molecule will be
(a) twenty five
(b) twenty four
(c) twenty six
(d) twenty seven
What is the difference between ionic compounds and polar covalent compounds?
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Explain the following briefly:
Sodium chloride dissolves in water but carbon tetra chloride is insoluble in water.
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Write an Explanation.
Alkene
Write a short note.
Characteristics of carbon
`"CH"_3 - "CH"_2 - "OH" overset("Alkaline""KMnO"_4 + "Heat")(->) "CH"_3 - "COOH"`
In the above given reaction, alkaline KMnO4 acts as
Name the following:
\[\ce{CH3 - CH2CH = CH2}\]
