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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
Give appropriate scientific reasons for Carbon tetrachloride does not conduct electricity.
State whether the following statement is true or false:
Diamond and graphite are the covalent compounds of carbon element (C)
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
Fill in the following blank with suitable word:
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Complete the following:
In case of non-polar covalent bond, the covalent bond is formed in the ______ of atoms and shared electrons are ______ distributed. (corner, middle, equally, unequally)
Give two example in following case:
Solid covalent compounds
Give two example in following case:
Liquid non polar compounds
Write answer as directed.
Saturated hydrocarbons are classified into three types. Write these names giving one example each.
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.
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Covalent compounds are generally gases or liquids or soft solids.
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
In the liquid state, X will
Give an example of the covalent bond formed by
(i) Similar atoms (ii) Dissimilar atoms
Give an example for each of the following statement.
A compound in which three covalent bonds are formed.
Cation is formed when ______.
In covalent bond formation, the sharing of ______ electrons takes place in their outermost shell.
It is observed that covalent compounds are had conductors of electricity. Give reason.
