A section of the priodic table is given below withelements A,B and X,Y – InterviewSolution

1.	A section of the priodic table is given below withelements A,B and X,Y in two grops. Which of the bond given below is the least polar?
Answer» AX AY BX BY Solution :Electronegativity DECREASES down a group but increases ACROSS a period but remains almost same along a diagonal, therefore atoms A and Y have little DIFFERENCE in their electronegativities and hence AY bond is LEAST POLAR.

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