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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
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 structural formula of Methane.
Write the number of covalent bonds in the molecule of butane, C4H10.
State the reason to explain why covalent compounds "are bad conductors of electricity".
Explain the nature of the covalent bond using the bond formation in CH3Cl.
Give two general properties of ionic compounds and two those of covalent compounds.
What is diamond? Of what substance is diamond made?
Which of the following has a triple bond as well as single bonds?
(a) ethene
(b) methane
(c) ethyne
(d) nitrogen
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
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.
Give the formulae of the chlorides of the elements X and Y having atomic numbers of 3 and 6 respectively. Will the properties of the two chlorides be similar or different? Explain your answer.
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Explain the structure of Ammonium ion.
Explain the following:
Polar covalent compounds are good conductors of electricity.
Define a covalent bond.
Name the types of Hydrocarbons.
Write an Explanation.
Alkane
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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Give an example for each of the following statement
A compound in which two Covalent bonds are formed.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
The table shows the electronic structures of four elements.
| Element | Electronic Structure |
| P | 2, 6 |
| Q | 2, 8, 1 |
| R | 2, 8, 7 |
| S | 2, 8, 8 |
- Identify which element(s) will form covalent bonds with carbon.
- “Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.
