Chem

www.JbigDeaL.com RAJASTHAN P.E.T. Chemistry 1 CHEMISTRY 1997 _________________________ 1. The hybridization state of C atom in butendioic virulent is : (1) sp2 (2) sp3 (3) both(prenominal) cardinal (4) sp 2. Which of the undermentioned is not a isomer of pentane : (1) n-pentane (2) 2, 2-dimethy 1 propane (3) 2, 3-dimethy 1 butane (4) 2-methy 1 butane 3. The oxidization exit of C atom in Ch2CI2 and CCI4 are respectively : (1) -2 and 4 (2) 0 and 4 (3) 0 and 4 (4) 2 and 4 4. Which of the pursuit dissolves in lonic solvents : (2) CH3OH (3) CCI4 (4) C5H12 (1) C6H5 5. The conjugate acid of HS is : (1) S-2 (2) H2S2 (3) both two (4) none 6. Phenolphthalein of pH range [8-10] is use in which of the spare-time activeness type of titration as a suitable indicator : (1) NH4OH and HCI (2) NH4OH and HCOOH (3) NH4OH and C2H4O2 (4) NaOH and C2O4H2 7. Which of the facial expression by side(p) is iron are : (1) Malachite (2) Hernatite (3) Siderite (4) Limonite 8. The molar tightn ess of chloride ions in the resulting solution of 300 ml.of 3.0 M NaCI and 200 ml. of 4.0 M BaCl2 ordain be : (1) 1.7 M (2) 1.8 M (3) 5.0 M (4) 3.5 M 9. Which of the future(a) has least bond zippo : (2) N2(3) N2+ (4) N2 (1) N2-2 10. Which of the future(a) species has highest bond energy : (1) O2-2 (2) O2+ (3) O2(4) O2 11.

Which of the following tangled is not aromatic : (1) 1, 3-cyclobutene (2) pyridine (3) furane (4) thiophene www.JbigDeaL.com 12. Which of the following compound is used as refrigerant : (1) CCI2F2 (2) CCI4 (3) CF4 (4) Acetone 13. Which of the following is weak acid : (1) C6H6 (2) CH3-C?CH (3) CH2=CH2 14. L.P.G. mainly consist of the! following : (1) Methane (2) total heat (3) ethyne (4) CH3-C?C-CH3 (4) Butane 15. The solubility product of CaCo3 is 5 x 10-9. The solubility string up stakes be : (2) 7 x 10-5 (3) 2.5 x 10-4 (4) 2.2 x 10-9 (1) 2.5 x 10-5 16. The outer electronic configuration of substructure earth metals is : (1) nd10 (2) ns1 (3) np6 (4) ns2 17. The disposition of 2, 4, 6-trinitrophenol is : (1) Neutral (2) Basic (3) Acidic...If you want to hold a mount essay, order it on our website: OrderCustomPaper.com

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