6. A polar covalent bond would form in which one of the following pairs of atom...

Question

Question

Answer 1

Answer #1

A) Cl-Cl -----------------> non-polar covalent bond

B) Si-Si -----------------> non-polar covalent bond

C) Ca-Cl ----------------> ionic bond

D) Cr-Br -------------> ionic bond

E) P-Cl -----------------> polar covalent bond

so answer : E) P-Cl

here electronegativity difference between P and Cl = 3.0-2.1 = 0.9 . so it is more than 0.5 . it is polar covalnet bond

note : electronegaitivty difference more than 0.5 polar covalnet less than 0.5 non-polar covalent bond and more than 1.7 it is ionic bond

Answer 2

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