Repulsion between bond pair-bond pair is than in between lonepairlone pair.

Show that the equation of the pair of lines bisecting the angles between the pair of bisectors of the angles between the pair of lines a x^2+2h x y+b y^2=0 is (a-b)(x^2-y^2)+4h x y=0.

Which of the following species contains three bond pairs and one lone pair around the central atom?

How many H-bonds are there between G and C?

Distinguish between 'A' bond and 'I' bond.

The ionic bond between sodium and chloride ion is stronger than that between potassium and chloride ion. Explain.

Distinguish between sigma and pi bond.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I: All F-S-F angles in SF_4 are greater than 90^@ but less than 180^@ Statement-II: The lone pair-lone pair repulsion is greater than pair-bond pair repulsion.

Hydrogen bonds presents between cytosine and guanine are