s 1 chemistry

a, Chemical analysis: The solubility of sparingly soluble salts such as PbS04 & AgCl and determination of trace amounts of elements in industrial raw materials & products. b. Reaction mechanisms : Mechanisms of photosynthesis and hydrolysis of esters using g018. ..

. Nitrogen, halogen and sulphur of organic compound are converted into corresponding sodium salts during combustion. [C + N] + Na-^^N a CN-gf^L Na4 [Fe(CN) 6 ] > Fe 4 [Fe (CN) 6 ] 3 organic compound blue colour fiise (i) dil. HNO, . Y I [X] + Na ^ NaX -^ 3 AgX f + jvjaNOj organic compound sodium..

Example:1 Although cyclopropanes are less reactive than alkenes, they undergo similar addition reactions. (a) Account for this by geometry and orbital overlap. (b) How does HBr addition to 1,l-dimethylcyclopropane resemble Markovnikov addition? Answer: (a) Because of..

1. LCAO (Linear combination of atomic orbitals) Concept to explain MO theory. Combination of atomic orbitals by addition or subtraction of their wave functions to form molecular orbitals. = v F a for a homonuclear diatomic molecule. Molecular orbitals formed by the combination..

;">(iv) Chair form has lower energy than boat form, hence more stable. In chair form: Number of equatorial bond = 6 Number of axial bonds = 6; above plane = 3 below plane = 3 (v) Two hydrogen atoms bonded to C, and C4 in boat conformation are flagpole hydrogens. They are very close and repel each o..

) an alkaline earth metal (3) a transition metal (4) a lanthanide Answer (3) Chromium [Ar] 3d 5 4s' is a transition metal. 2. Which among the following has the highest ionisation energy? (1) Na (2) Mg (3) K (4) Rb Answer (1) Ionization energy decreases down the grou..

Between s and p blocks in PT; 3 series (3d, 4d and 5d) each containing 10 elements. 1. Transition elements Elements having partly filled d orbitals in any common oxidation state (including zero oxidation state). 2. Electron configuration of 3d series [NG] (n-l)d110ns2 (w..

a) joule = coulomb x volt b) volt = coulomb x joule c) coulomb = volt x joule d) volt = joule - coulomb. [a] 16. The S.I. unit of resis tance is called a) ohm b) joule c) ampere d) coulomb. [a] 17.. If 20 J of work is done in moving a charge of 5C from one..

1. p-Block Elements of groups 13, 14, 15, 16, 17 and 18 Group Outer elec. conf. Elements present 13 ns 2 np 1 B, Al, Ga, In&Tl 14 ns 2 np 2 C, Si, Ge, Sn & Pb 15 . ns 2 np 3 ..

. For example, for Is orbital the maximum probability is at 0.53 A; For 2s orbital it is at about 2.6A and for 3s orbital, it is still farther away. Thus the size of the orbital increases in the order Is < 2s < 3s . iii) The total number of peaks appear..