The difference of molecules of water in gypsum and P.O.P is

The difference of number of water molecules in gypsum and plaster of Pairs is

Which of the molecule has p-p overlapping ?

Figure shows a siphon. The liquid shown in water. The pressure difference P_B-P_A between the points A and B is

If cos p theta+cos q theta=0 , then prove that the different values of theta are in A.P. with common difference 2pi// (p pm q) .

Show hydrogen bonding in the molecules of o-nitrophenol and p-nitrophenol.

If the square of differences of three numbers be in A.P., then their differences re in (A) A.P. (B) G.P. (C) H.P. (D) none of these

Water flows in a streamline manner through a capillary tube of radius a. The pressure difference being P and the rate of flow is Q . If the radius is reduced to a//2 and the pressure difference is increased to 2P, then find the rate of flow.

Assertion (A) o-nitrophenol is less soluble in water than the m and p-isomers. Reason (R) m and p-nitrophenols exist as associated molecules.

Which of the following molecule species is/are having pi_(2p) as H.O.M.O (highest occupied molecular orbital) :