Aldehyde and Ketones
95. In which of the following reactions, both oxidized nd reduced forms of the same compounds are obtained [2075]
Wurtz reaction
Riemer-Tiemann reaction
Cannizzaro reaction
Aldol condensation
86. Which carbohydrates gives Tollen's Test?[2075]
Glucose
Fructose
Galactose
Maltose
91. Reduction of aldehyde by amalgamated zinc and conc. HCL to corresponding allcone is called as [2074]
Clemenson Reduction
Wolff-Kishner Reduction
Carnnizaro's
Perkin's Reduction
94. The catalyst used in Rosenmund's reaction is [2073]
Pd-CuSO4
Pd-CaSO4
Pd-CuCl2
Pd-BaSO4
94. Which of the following reagent cannot be used to distinguish between acetaldehyde and acetone [2072]
Tollen's Reagent
Fehling's Solution
Schiff's Reagent
Br2 in CCl4
96. When benzamide is treated with aqueous Br2 in presence of aqueous alkali, the product formed is:[2072]
aniline
benzene
toluene
nitrosoamine
81. The compound that undergoes Cannizzaro reaction is [2070]
CH3COOH
C2HSCHO
HCHO
CH3OCH3
82. Which of the following reagents is used to detect the aldehyde group [2069]
Ninhydrin Reagent
Tollen's reagent
Grignard reagent
Baeyer's Reagent