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In a homologous series, the percentage o...

In a homologous series, the percentage of 's' character __________.

A

increases gradually

B

decreases gradually

C

remains the same

D

increases to a cirtain molecules and then decreases

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The correct Answer is:
C
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Knowledge Check

  • Members of a homologous series have

    A
    (1) same physical properties
    B
    (2) same general formula
    C
    (3) same chemical properties
    D
    (4) same molecular masses

  • Acetone is the first member of the homologous series of ketone, whereas pentan-2-one is _________ member of the homologous series of ketone.

    A
    `5^(th)`
    B
    `2^(nd)`
    C
    `3^(rd)`
    D
    `4^(th)`

  • The members of a homologous series have

    A
    Different general formulae
    B
    Different molecular weights
    C
    Different methods of preparation
    D
    Different chemical properties.
    • TARGET PUBLICATION-NATURE OF CHEMICAL BOND-Evaluation test
    1. In a homologous series, the percentage of 's' character .

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    2. Which of the following molecule has two p-orbitals unused?

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    3. Energy required to dissociate 4g of gaseous hydrogen into free gaseous...

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    4. What happens when aluminium reacts with NaOH in presence of water mole...

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    5. What is the geometrical shape of [Pt(Cl)(4)]^(2-)?

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    6. Stability of the species Li(2), Li(2)^(-) and Li(2)^(+) increases in t...

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    7. Which of the following is NOT used to represent bond angles ?

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    8. The number of sigma bonds in CH(2)=CH - CH = CH - C -= CH is .

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    9. The stability of ionic crystal depends principally on

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    10. An example for an electron deficient molecule is .

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    11. Octahedral molecular shape exists in hybridisation.

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    12. The species having bond angles of 109^(@)28 is .

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    13. The bond angle in ammonia is 107^(@)18 due to .

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    14. A molecule is stable when the number of bonding orbitals is .

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    15. Which of the following molecules CANNOT exist under normal conditions?

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    16. The electronegativity values of C,H,O,N and S are 2.5, 2.1, 3.5, 3.0 a...

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    17. Find the CORRECT set with respect to molecule, hybridisation and shape...

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    18. If in a polar molecule, the ionic charge is 2.6 xx 10^(-10) e.s.u. and...

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    19. Which of the following does NOT show hydrogen bonding?

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    20. Which of the following theory provides good explanation about the para...

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