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JEE Exam  >  JEE Questions  >  Alkane, C5H12, in which all H-atoms are equiv... Start Learning for Free
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Alkane, C5H12, in which all H-atoms are equivalent is:
  • a)
    n-pentane
  • b)
    2-methylbutane
  • c)
    2, 2-dimethylpropane
  • d)
    cyclopentane
Correct answer is option 'C'. Can you explain this answer?
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Alkane, C5H12, in which all H-atoms are equivalent is:a)n-pentaneb)2-m...
Properties of Alkanes

Alkanes are the simplest type of organic compounds consisting only of carbon and hydrogen atoms. They are also known as saturated hydrocarbons. In this question, we are given an alkane C5H12, in which all H-atoms are equivalent. Let's discuss the properties of alkanes first.

- Alkanes are non-polar molecules.
- They are colorless and odorless.
- Alkanes have a low boiling and melting point.
- The boiling and melting points increase as the size of the molecule increases.
- Alkanes are insoluble in water but soluble in non-polar solvents.
- They undergo combustion reactions to produce carbon dioxide and water.

Identification of the Alkane

Now, let's identify the alkane C5H12 from the given options.

a) n-Pentane: It is a straight-chain alkane with five carbon atoms. It has the molecular formula C5H12. However, since all H-atoms are equivalent, n-pentane cannot be the correct option.

b) 2-Methylbutane: It is an isomer of pentane in which one of the carbon atoms is a tertiary carbon. It has the molecular formula C5H12. However, since all H-atoms are equivalent, 2-methylbutane cannot be the correct option.

c) 2,2-Dimethylpropane: It is also known as neopentane. It is an isomer of pentane in which all the carbon atoms are tertiary carbon atoms. It has the molecular formula C5H12. Since all H-atoms are equivalent in this molecule, it is the correct option.

d) Cyclopentane: It is a cyclic alkane with five carbon atoms. It has the molecular formula C5H10. Therefore, cyclopentane cannot be the correct option.

Conclusion

Hence, the correct answer is option 'C' which is 2,2-dimethylpropane.
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Volumetric analysis is based on the principle of equivalence a that minloces lead in the ratio of their equivalents. At the equivalence point of the reaction, involving the reactahts A and B : Number of gram equivalents of A = Number of gram equivalents of B..If VA ml of solution A having normality NA react just completely with VB ml of solution B having normalityNB thenEquation(1), called normality equation is very useful in numerical of volumetric analysis. Equivalent masses of different substances :Basically the equivalent mass of a substance is defined as the pads by seam ctituhich combine with or displace 1.0078 parts (1part) by mass of hydrogen, 8 parts by mansetaisiosaid 35.5 parts by mass of chlorine.Mass of a substance expressed in gram equal to its equivalent man is gam equivalent mass. Equivalent mass of a substance is not constant but depends upon the maw i malice the substance participates.Equivalent mass of an acid in acid-base reaction is its mass in grannehidicodoinisooleaf replaceable Fi ions (= 1.0078 g1g).0n the other hand, equivalent mass of a bagels istolonellfacontairis 1 mole of replaceable 0H ions. 1 g equivalent mass each of an acid and base an ionclinegins saint and 1 mole of water= 18 g). Equivalent mass of an oxidising agent is its mass which gains 1 mole at ellecismitcan be obtained by dividing the molecular mass or formula mass by the total decrease in aididditaiiilberef one or more elements per molecule.0n the other hand, equivalent mass of a reducing agent is the mass of the substance which loses 1 mole of electorns. It can be calculated by dividing the molecular or formula mass of the subtance by the total increase in oxidation number of one or more elements per molecular or formula mass.Q.100 ml of 0.1 M H3 P02 is titrated with 0.1 M NaOH. The volume of NaOH needed will be

Volumetric analysis is based on the principle of equivalence a that minloces lead in the ratio of their equivalents. At the equivalence point of the reaction, involving the reactahts A and B : Number of gram equivalents of A = Number of gram equivalents of B..If VA ml of solution A having normality NA react just completely with VB ml of solution B having normalityNB thenEquation(1), called normality equation is very useful in numerical of volumetric analysis. Equivalent masses of different substances :Basically the equivalent mass of a substance is defined as the pads by seam ctituhich combine with or displace 1.0078 parts (1part) by mass of hydrogen, 8 parts by mansetaisiosaid 35.5 parts by mass of chlorine.Mass of a substance expressed in gram equal to its equivalent man is gam equivalent mass. Equivalent mass of a substance is not constant but depends upon the maw i malice the substance participates.Equivalent mass of an acid in acid-base reaction is its mass in grannehidicodoinisooleaf replaceable Fi ions (= 1.0078 g1g).0n the other hand, equivalent mass of a bagels istolonellfacontairis 1 mole of replaceable 0H ions. 1 g equivalent mass each of an acid and base an ionclinegins saint and 1 mole of water= 18 g). Equivalent mass of an oxidising agent is its mass which gains 1 mole at ellecismitcan be obtained by dividing the molecular mass or formula mass by the total decrease in aididditaiiilberef one or more elements per molecule.0n the other hand, equivalent mass of a reducing agent is the mass of the substance which loses 1 mole of electorns. It can be calculated by dividing the molecular or formula mass of the subtance by the total increase in oxidation number of one or more elements per molecular or formula mass.Q.Which of the following solutions, when mixed with 100 ml of 0.05 M NaOH, will give a neutral solution?

Volumetric analysis is based on the principle of equivalence a that minloces lead in the ratio of their equivalents. At the equivalence point of the reaction, involving the reactahts A and B : Number of gram equivalents of A = Number of gram equivalents of B..If VA ml of solution A having normality NA react just completely with VB ml of solution B having normalityNB thenEquation(1), called normality equation is very useful in numerical of volumetric analysis. Equivalent masses of different substances :Basically the equivalent mass of a substance is defined as the pads by seam ctituhich combine with or displace 1.0078 parts (1part) by mass of hydrogen, 8 parts by mansetaisiosaid 35.5 parts by mass of chlorine.Mass of a substance expressed in gram equal to its equivalent man is gam equivalent mass. Equivalent mass of a substance is not constant but depends upon the maw i malice the substance participates.Equivalent mass of an acid in acid-base reaction is its mass in grannehidicodoinisooleaf replaceable Fi ions (= 1.0078 g1g).0n the other hand, equivalent mass of a bagels istolonellfacontairis 1 mole of replaceable 0H ions. 1 g equivalent mass each of an acid and base an ionclinegins saint and 1 mole of water= 18 g). Equivalent mass of an oxidising agent is its mass which gains 1 mole at ellecismitcan be obtained by dividing the molecular mass or formula mass by the total decrease in aididditaiiilberef one or more elements per molecule.0n the other hand, equivalent mass of a reducing agent is the mass of the substance which loses 1 mole of electorns. It can be calculated by dividing the molecular or formula mass of the subtance by the total increase in oxidation number of one or more elements per molecular or formula mass.Q.How many gram of phosphoric acid (H3PO4) would be required to neutralize 58 g of magnesium hydroxide?

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Alkane, C5H12, in which all H-atoms are equivalent is:a)n-pentaneb)2-methylbutanec)2, 2-dimethylpropaned)cyclopentaneCorrect answer is option 'C'. Can you explain this answer?
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Alkane, C5H12, in which all H-atoms are equivalent is:a)n-pentaneb)2-methylbutanec)2, 2-dimethylpropaned)cyclopentaneCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Alkane, C5H12, in which all H-atoms are equivalent is:a)n-pentaneb)2-methylbutanec)2, 2-dimethylpropaned)cyclopentaneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Alkane, C5H12, in which all H-atoms are equivalent is:a)n-pentaneb)2-methylbutanec)2, 2-dimethylpropaned)cyclopentaneCorrect answer is option 'C'. Can you explain this answer?.
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