Chem-Section AThis section contains 35 SINGLE CORRECT TYPE questions. Each question has 4 choices (1), (2), (3) and (4), out of which only one is correct. for NaBr, HBr and CH3COONa are 128.2, 427.7 and 91.0 S cm2 mol–1 respectively. The for CH­3COOH will be

for NaBr, HBr and CH3COONa are 128.2, 427.7 and 91.0 S cm2 mol–1 respectively. The for CH­3COOH will be464.9 S cm2 mol–1646.9 S cm2 mol–1208.5 S cm2 mol–1390.5 S cm2 mol–1

4. Which of the following would you expect to be effective chelating agents? A) CH3CH2OH D)CH3(CH2)3 – NH2 O O B) HO – C – CH2 – C – OH E) none of the given C) PH3

Compound X, A, B & C respectively are :CH3COONa, Na2ZnO2, NaOH, NaClNaOH, Na2ZnO2, NaCl, CH3COONaNa2ZnO2, CH3COONa, NaCl, NaOHNaOH, NaCl, Na2ZnO2, CH3COONa

A compound has a mass spectrum that shows a 3:1 height ratio of its (M)+• peak at m/z = 136 and its (M+2)+• peak at m/z = 138. Which of the compounds below is consistent with this data?Select answer from the options belowNone of the choices are correct.CH3CH2CH2OCH2CH2CH2Cl

Which of the following represents correct variation of the property indicated(a) BP of C2 H5 Br  C2 H5 I  C2 H5 Cl(b) MP of(c) BP ofp - C6 H4Cl 2  m − C6 H4Cl 2  o − C6 H4Cl 2o − C6 H4Cl 2  p − C6 H4Cl 2  m − C6 H4Cl 2(d) BP of CH 3CH 2CH 2CH 2 Br  C(CH 3 )3 Br  CH 3CH 2 - CH - CH 3Br