For the cell reaction,
2Ce4+ + Co → 2Ce3+ + Co3+; E is 1.89 V. If is -0.28V, what is the value of ?
0.28 V
1.61 V
2.17 V
5.29 V
The equivalent conductance of silver nitrate solution at 250°C for an infinite dilution was found to be 133.3 -1 cm2 equiv-1. The transport number of Ag+ ions in very dilute solution of AgNO3 is 0.464. Equivalent conductances of Ag+ and NO3- (in Ω-1 cm2 equiv-1) at infinite dilution are respectively.
195.2; 133.3
61.9; 71.4
71.4; 61.9
133.3; 195.2
Treating anisole with the following reagents, the major product obtained is
I. (CH3)3CCl, AlCl3
II. Cl2, FeCl3
III. HBr, Heat
D.
When anisole is treated with the reagents such as- i. (CH3)3CCl, AlCl3; ii. Cl2, FeCl3 and iii. HBr, Heat, the product is obtained through Friedel Crafts reaction-
Ketones [R - - R'] where, R = R' = alkyl group can be obtained in one step by
hydrolysis of esters
oxidation of primary alcohols
oxidation of secondary alcohols
reaction of acid halide with alcohols
An optically active compound 'X' has molecular formula C4H8O3. It evolves CO2 with aqueous NaHCO3. 'X' reacts with LiAlH4 to give an achiral compound. 'X' is
CH3CH2C(OH)HCOOH
CH3C(OMe)HCOOH
CH3CH(CH2OH)HCOOH
CH3C(OH)HCH2COOH
Glycerol A B
A and B respectively are
CH2=CH ; H2-C(OH)HCOH
CH2=CHCOH; C(OH)H2-C(Cl)HOCH
CH3CH2CHO; CH3CH2CH(OH)(Cl)
CH2=CHCOH; C(Cl)OH2CH2CHO
Phenol is heated with phthanlic anhydride in the presence of conc. H2SO4. The product gives pink colour with alkali. The product is
phenolphthalein
bakelite
salicylic acid
flurorescein
Out of H2S2O3, H2S2O4, H2SO5 and H2S2O8 peroxy acids are
H2S2O3; H2S2O8
H2SO5; H2S2O8
H2S2O4; H2SO5
H2S2O3; H2S2O4