JCECE Engineering JCECE Engineering Solved Paper-2005

  • question_answer
    An example of a polar covalent compound is:

    A) \[KCl\]                                 

    B) \[NaCl\]

    C) \[CC{{l}_{4}}\]                  

    D)  \[HCl\]

    Correct Answer: D

    Solution :

    Key Idea: Bond is ionic when difference between electronegativity of elements is more than\[1.8\], if less it is covalent bond. [a] \[KCl-\]ionic bond [b] \[NaCl-\]ionic bond [c] \[CC{{l}_{4}}-\]covalent bond [d] \[HCl-\]polar covalent bond.


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