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Statement -1 : Covalent crystals have t...

Statement -1 : Covalent crystals have the highest melting point .
Statement 2: Covalent bonds are stronge than ionic bonds.

A

Statement 1 is True , Statement-2 is True , Statement-2 is a correct explanation for statement-1

B

Statement 1 is True , Statement-2 is True , Statement-2 is NOT a correct explanation of Statement-1

C

Statement-1 is True , Statement-2 is False

D

Statement -1 is False , Statement -2 is True

Text Solution

Verified by Experts

The correct Answer is:
C
Correct Statement-2. Covalent bonds are weaker than ionic bonds. (Higher melting points of covalent crystals are due to net-work structure).
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Knowledge Check

  • Assertion (A) : Covalent crystals have higher melting point. Reason (R ) : Covalent bonds are stronger than ionic bonds.

    A
    If both `(A)` and `(R)` are correct, and `(R)` is the correct explanation of `(A)`
    B
    If both `(A)` and `(R)` are correct, but `(R)` is not the correct explanation of `(A)`
    C
    If `(A)` is correct, but `(R)` is incorrect.
    D
    If both `(A)` is incorrect but `(R)` is correct.

  • Ionic and covalent bonds are present in

    A
    `C Cl_(4)`
    B
    `CaCl_(2)`
    C
    `NH_(4)Cl`
    D
    `H_(2)O`

  • Asseriton (A) : covalent bonds are stronger than ionic bonds . Reson (R) :covalant bonds are stronger than ionic bonds .

    A
    if both (A) and ® are correct , and ® is correct explanartion of (A
    B
    if both (A) and ® are correct , but ® is nmot the correct explanation of
    C
    if (A) is correct , but ® is incorrect.
    D
    if both (A) and ® are icorrect .

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    Statement-1: Molecular solids have higher melting point than covalent solids Statement-2:In molecular solids the lattice points are occupied by molecules.

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