Match the column ?  Column-I(Electronic effect)   Column-II(Electron displacement)(I) Inductive effect (a) Temporary displacement(II) Mesomeric effect (b) π electron pair delocalisation(III) Hyper conjugation effect (c) σ-electron pair displacement(IV) Electromeric effect (d) σ and π electron pair delocaliseA I-c, II-d, III-b, IV-a B I-c, II-b, III-d, IV-a C I-d, II-b, III-c, IV-a D IV-d, II-c, III-b, IV-a

Column-I is provided with certain molecular formula and column-II is provided with the features.Column-IColumn-II(a)CoCl3·5NH3(p)Aqueous solution conducts electricity due to dissociation of solute molecules(b)CoCl3·3NH3(q)Secondary valencies are more than four(c)PtCl2·2NH3(r)Will show isomerism(d)PtCl4·2HCl(s)Purple colour compound

Match the column  Column-I(Compound)   Column-II(effect of substituent)(a) (p) +M and +I(b) (q) +M and –M(c) (r) –M and –I(d) (s) +M and –I A a-s, b-q, c-r, d-p B a-s, b-p, c-r, d-q C a-s, b-p, c-q, d-r

Match the columns  Column-ICompounds   Column-IIpKaI (a) 4.19II (b) 4.46III CH3COOH (c) 4.76IV (d) 3.41 A I-a, II-b, III-c, IV-d B I-b, II-c, III-d, IV-a C I-b, II-d, III-c, IV-a D I-a, II-d, III-c, IV-b

Match the columnColumn-I  Column-II(A) Mass of proton (p) 9.1 × 10–28g(B) Charge on electron (q) 1.6 × 10–19C(C) Mass of electron (r) –1.6 × 10–19C(D) Charge on proton (s) 1.67 × 10–27kg  A B C D(1) s r p q(2) p q r s(3) r q p s(4) s q p rA 1 B 2 C 3 D 4

State the effects of increasing cross-linking on an ion-exchange column.