The plot that depicts the behavior of the mean free time (time between two successive collisions) for the molecules of an ideal gas, as a... View Article
Find the co-ordinates of center of mass of the lamina shown in the figure below. a. (0.75 m, 1.75 m)b. (0.75 m, 0.75 m)c. (1.25 m, 1.5 m)d. (1... View Article
A thermodynamic cycle xyzx is shown on a V- T diagram . The P-V diagram that best describes this cycle is : (Diagrams are schematic and not... View Article
Three charged particles A, B and, C with charge -4q, +2q and -2q are present on the circumference of a circle of radius d. The charges particles... View Article
Answer: (d) If the nitrogen atom is a part of the ring or in the form of the diazonium or NO2, then it is not estimated with Kjeldahl's method.... View Article
a. NO and N2O b. NO and NO2 c. N2O and NO2 d. N2O and N2O3 Answer: (a) NO and N2O are neutral oxides and N2O3, NO2 and N2O5 are acidic oxides.... View Article
a. Para-Toluene sulphonyl chloride b. Chloroform and KOH c. Acetyl amide d. Benzene sulphonic acid Solution: Hence option a is the answer.... View Article
(A) excess usage of fertilisers (B) excess usage of detergents (C) dense plant population in water bodies (D) lack of nutrients in water... View Article
a. Carbocation A is more stable and formed relatively at a faster rate b. Carbocation B is more stable and formed relatively at a faster rate... View Article
a. SO2-4 b. Na+ c. Ba2+ d. PO34 Answer: (c) For a negative sol, a positive ion is required for flocculation. Greater the valence of the... View Article
Given below are two statements: Statement I: 2-methyl butane on oxidation with KMnO4 gives 2-methyl butane-2-ol. Statement II: n-alkanes can be... View Article
a. +1 and +3 b. +1 to +6 c. +1 and +3 to +6 d. +2 to +6 Solution: For Cr, the common positive oxidation states are +2, +3, +4, +5 and +6.... View Article
