Home
Class 12
CHEMISTRY
Assertion : The p-isomer of dichlorobenz...

Assertion : The p-isomer of dichlorobenzene has higher melting point than o- and m-isomer.
Reason : p-isomer is symmetrical and thus shows more closely packed strucure.

A

If assertion is true but the reason is false

B

If assertion is false but reason is true

C

If both assertion and reason are true and the reason is the correct explanation of assertion

D

If both assertion and reason are true and the reason is not the correct explanation of assertion

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING (ADVANCED)

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|64 Videos

  • CHEMICAL BONDING (ADVANCED)

    VK JAISWAL ENGLISH|Exercise MATCH THE COLUMN|21 Videos

  • CHEMICAL BONDING (BASIC)

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|54 Videos

Similar Questions

Explore conceptually related problems

Assertion The p - isomer of dichlorobenzene has higher m.p than o-and m isomer Reason p-isomer is symmetrical and thus shows more closely packed structure .

p-Dichlorobenzene has higher m.p. than those of o- and m-isomers. Discuss

Which isomer is expected to have a higher melting point?

Out of o- and p-dibromobenzene which one has higher melting point and why?

(a) Why does p-dichlorobenzene have a higher m.p than its o-and m-isomers? (b) Why is ( pm ) - Butan -2 - ol of is optically inactive?

Give reasons for the following (a) The presence of -NO_2 group at ortho or para position increases the reactivity of haloarenes towards nucleophilic substitution reactions . (b) p-dichlorobenzene has higher melting point than of ortho or meta isomer . ( c) Thionyl chloride method is preferred for preparing alkyl chloride from alcohols.

Consider the two geometrical isomers of but-2-ene The isomer with higher melting point and the reason for the same is respetively

Assertion:SiC has higher melting point than NaCl. Reason: SiC has stronger electrostatic forces of attraction.

Assertion : O_(3) has higher boiling point than O2. Reason : O_(3) is allotrope of oxygen.

Assertion: p-Dichlorobenzene is less soluble in organic solvents than the corresponding o-isomer Reason o-Dichlorobenzene is polar while p-dichlorobenzene is non-polar .

VK JAISWAL ENGLISH-CHEMICAL BONDING (ADVANCED)-ASSERTION-REASON TYPE QUESTIONS
  1. Assertion : The unpaired electron of CH(3)^(•) free radical occupies p...

    Text Solution

    |

  2. Assertion: Nitrogen is unreactive at room temperature but becomes reac...

    Text Solution

    |

  3. Assertion : The p-isomer of dichlorobenzene has higher melting point t...

    Text Solution

    |

  4. Assertion (A): Na(2)SO(4) is soluble in water while BaSO(4) is insolub...

    Text Solution

    |

  5. Statement 1: N(2) and NO^(+) are both dia-magnetic. Statement 2: NO^...

    Text Solution

    |

  6. Assertion : Bond order can assume any value number including zero. R...

    Text Solution

    |

  7. Assertion: C(3)O(2) has linear structure. Reason: Each carbon atom i...

    Text Solution

    |

  8. Assertion In case of (CH(3))(3)N geometry is pyramidal but in case of ...

    Text Solution

    |

  9. Assertion: Superoxides of alkali metals are paramagnetic. Reason: Su...

    Text Solution

    |

  10. Assertion : The HF(2)^(-) ion exists in the solid state & also in liqu...

    Text Solution

    |

  11. Assertion: If d(x^(2)-y^(2)) and p(y) orbitals come close together al...

    Text Solution

    |

  12. Assertion : The H-bond present in NH(3) dissolved in water is best rep...

    Text Solution

    |

  13. Assertion : C(3)O(2) is non-polar molecule. Reason : Terminal pi-bon...

    Text Solution

    |

  14. Assertion : If d(x^(2)-y^(2)) and p(y) orbitals come close together al...

    Text Solution

    |

  15. Assertion : BF(3) undergoes in partial hydrolysis Reason : Due to st...

    Text Solution

    |

  16. Assertion : The central catbon atom in F(2)C=C=CF(2) and both carbo at...

    Text Solution

    |

  17. Assertion : Formation of PH(4)^(+) ion is relatively difficult in comp...

    Text Solution

    |

  18. Assertion : Bond dissociation energy of B-F bond in BF(3) molecule is ...

    Text Solution

    |

  19. Assertion : PF(3) is stronger lewis base than PH(3). Reason : l.p. o...

    Text Solution

    |

  20. Assertion :NiO is less than CaO. Reason :Ni^(2+) is pseudo noble gas...

    Text Solution

    |