Q.

Which of the following compounds contain(s) no covalent bond(s)? KCl,PH3,O2,B2H6,H2SO4

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a

KCI

b

KCl2,H2SO4

c

KCl,B2H6

d

KCl,B2H6,PH3

answer is C.

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Detailed Solution

  • Covalent  bond is formed between two nonmetals and Ionic bond is formed between one metal and one nonmetal.
  • So, in KCl,  K is metal and Cl is nonmetal. 
  • Hence, It is an ionic bond.
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