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Which of the following statements is not...

Which of the following statements is not true about covalent compounds ?

A

They may exhibit isomerism

B

They have low melting and boiling points

C

They show ionic reactions

D

They show molecular reactions

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-CHEMICAL BONDING AND MOLECULAR STRUCTURE -Assignment Section -A Objective Type Questions (One option is correct)
  1. Lattice energy of an ionic compound depedns upon :

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  2. Multiple covalent bonds exist in a molecule of

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  3. Which of the following statements is not true about covalent compounds...

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  4. Element X is strongly electropositive and element Y is strongly electr...

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  5. In a triple bond total number of share electrons are

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  6. Element A has three electrons in the outermost orbit and B has six ele...

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  7. The formula of a compound is A(2)B(5). The number of electrons in the ...

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  8. Which shows the highest lattice energy ?

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  9. Polarisation involves the distortion of the shape of an anion by an ad...

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  10. The most covalent halide is

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  11. Pi (pi) bond is formed by the overlap of

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  12. In the formation of ethylene molecule , the carbon atom makes use of

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  13. Incorrect statement is

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  14. Which one of the following has pyramid shape ?

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  15. Which of the molecule has p-p overlapping ?

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  16. A molecule possessing dipole moment is

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  17. In which of the following molecule in the bond angle is maximum ?

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  18. CO(2) is isostructural with

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  19. Which one of the following contains both ionic and covalent bonds?

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  20. The compound with the highest boiling point is

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