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Which substance has a polar covalent bond between its atoms? A K 3 ​ N B N H 3 ​ C C a 3 ​ N 2 ​ D N a C l

Which substance has a polar covalent bond between its atoms?

A

K3​N

B

NH3​

C

Ca3​N2​

D

NaCl

 

Grade:12th pass

1 Answers

Mayank Ranka
askIITians Faculty 277 Points
3 years ago

 

Bonds that are partially ionic are called polar covalent bonds. In this bond a pair of electrons is unequally shared between two atoms.
For NH3 
​, the nitrogen atoms draw the shared electrons in the bonds close to it, so the nitrogen has a partly negative charge

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