|
#2
18th November 2015, 02:33 PM
| |||
| |||
| Re: Orissa JEE Solution
Feel free buddy I will help you here to get the Orissa JEE solved exam paper so that you can get idea from those paper and study hard for it. Here is the JEE Solved exam paper Aqueous solution of an organic compound “A” on electrolysis liberates acetylene and CO2 at anode. “A” is: a) potassium citrate b) potassium acetate c) potassium succinate d) potassium maleate Which of the following reagent used for the conversion of 3-hexyne into trans-3-hexene? a) NaBH4 b) H2, PtO2 c) Na, liq. NH3/ C2H5OH d) H2, Pd-BaSO4, quinoline Propene can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is most suitable for the above conversion. a) alkaline KMnO4 b) OsO4, NaHSO4 c) B2H6 and alkaline H2O2 d) dil. H2SO4 at 140 0C The bond that determine the secondary structure of a protein is a) ionic bond b) covalent bond c) hydrogen bond d) coordinate bond Diazotisation of aniline with aqueous NaNO2 and dil HCl, an excess of HCl is used primarily due to: a) generate stoichiometric amount of HNO2 b) neutralize the base liberated from the reaction c) suppress the concentration of free aniline d) activate the -naphthol for coupling reaction 9. An organic molecule necessarily shows optical activity, if it a) contain asymmetric carbon atoms b) is superimposable on its mirror image c) is non-superimposable on its mirror image d) is non-planar An organic compound reacts with aqueous nitrous acid at low temperature to produce an oily product. The compound is a) (CH3CH2)3N b) (CH3CH2)2NH c) C6H5CH2NH2 d) C6H5CH2CH2NH2 p-Amino benzenesulphonic acid when treated with excess bromine water givea) 2,6-dibromo-4-amino benzenesulphonic acid b) 2,4,6-tribromo aniline c) 2,4-dibromo aniline d) 2,6-dibromo aniline The equivalent mass of an element is 4. Its chloride has a vapour density 59.25. The valency of the element will be. a) 4 b) 3 c) 2 d) 1           |