Consider the following reactions; The mass percentage of carbon in A is:Solution:Compound A is CH3(CO)CH2CH3 (C4H8O)The percentage of carbon in... View Article
A cylinder containing an ideal gas (0.1 mol of 1.0 dm3 ) is in thermal equilibrium with a large volume of 0.5 molal aqueous solution of ethylene... View Article
A sample of milk splits after 60 min. at 300K and after 40 min at 400K when the population of lactobacillus acidophilus in it doubles . The... View Article
a) for the photochemical breakdown of waste present in 1m3 volume of a water body.b) by anaerobic bacteria to break-down inorganic waste present... View Article
a) Cl- CH=CH2b) Cl-CH=CH-CH3c) Cl-CH=CH-OCH3d) Cl-CH=CH-NO2Solution:There is extended conjugation present in option (d), which will reduce the... View Article
a) 18b) 24c) 6d) 12Solution:Benzene (C6H6) has 6 sp2 hybridized carbons. Each carbon has 3 -bonds and 1 -bond. 3 -bonds means that there are 3... View Article
a) distilled waterb) sea waterc) saline water used for intra venous injectiond) water from a wellSolution:In distilled water there are no ions... View Article
a) cis onlyb) trans onlyc) meridional and transd) cis and transSolution:In cis-isomer, similar ligands are at an angle of 900.Answer: (a)... View Article
A mixture of gases O2, H2 and CO are taken in a closed vessel containing charcoal. The graph that represents the correct behaviour of pressure... View Article
The reaction of H3N3B3Cl3 (A) with LiBH4 in tetrahydrofuran gives inorganic benzene (B). Furthur, the reaction of (A) with (C) leads to... View Article
The true statement amongst the following. a) S is a function of temperature but S is not a function of temperature.b) Both S and S are functions... View Article
The correct order spin-only magnetic moments of the following complexes is: I. [Cr(H2O)6]Br2II. Na4[FeCN6]III. Na3[Fe(C2O4)3] (0 > P)IV.... View Article
In the figure shown below reactant A (represented by the square) is in equilibrium with product B (represented by circle). The equilibrium... View Article