51.

Equivalent conductivity at infinite dilution for sodium-potassium oxalate [(COO^-)₂ Na⁺K⁺] will be [given molar conductivities of oxalate, K⁺ and Na⁺ ions at infinite dilution are 148.2, 50.1, 73.5 S cm mol' respectively]

• 271.8 S cm² eq^-1

• 67.95 S cm² eq^-1

• 543.6 S cm² eq^-1

• 135.9 S cm² eq^-1

On heating, chloric acid decomposes to

• HClO₄, Cl₂, O₂ and H₂O

• HClO₂, Cl₂, O₂ and H₂O

• HClO, Cl₂O and H₂O₂

• HCl, HClO, Cl₂O and H₂O

In the following species, the one which is likely to be the intermediate during benzoin condensation of benzaldehyde is

Baeyer's reagent is

• alkaline potassium permanganate

• acidified potassium permanganate

• neutral potassium permanganate

• alkaline potassium manganate

When aniline is nitrated with nitrating mixture in ice cold condition, the major product obtained is

• p-nitroaniline

• 2,4-dinitroaniline

• o-nitroaniline

• m-nitroaniline

Ribose and 2-deoxyribose can be differentiated by

• Fehling's reagent

• Tollen's reagent

• Barfoed's reagent

• Osazone formation

The correct order of acid strength of the following substituted phenols in water at 28°C is

• p-nitrophenol < p-fluorophenol < p-chlorophenol

• p-chlorophenol < p-fluorophenol < p-nitrophenol

• p-fluorophenol < p-chlorophenol < p-nitrophenol

• p-flurophenol < p-nitrophenol < p-chlorophenol

The best method for preparation of Me₃CCN is

• to react with Me₃COH with HCN

• to react with Me₃CBr with NaCN

• to react with Me₃CMgBr with ClCN

• to react Me₃CLi with NH₂CN

Bromination of PhCOMe in acetic medium produces mainly

Correct statement(s) in cases of n-butanol and t-butanol is (are)

• both are having equal solubility in water

• t-butanol is more soluble in water than n-butanol

• boiling point of t-butanol is lower than n-butanol

• boiling point of n-butanol is lower than t-butanol