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Quiz 7
Mdcat-past-papers - SZABMU - Chemistry Quiz
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Board: SZABMU | Subject: Chemistry |
121. What is the IUPAC name of picric acid?
2,4,6-tribromophenol
2,4,6-trinitrophenol
2,4,6-trinitrotoluene
2,4,6-trimethylphenol
122. Catalytic reduction of aldehyde and ketone forms:
Alcohol
Carboxylic acid
Alkane
Aldehyde
123. The function of NaOH in Aldol condensation & Cannizzaro's reaction respectively is:
Nucleophile and electrophile
Electrophile and nucleophile
Base and nucleophile
Nucleophile and base
124. Cannizzaro's reaction is given by:
Formaldehyde
Acetaldehyde
Acetone
Butanone
125. When Aldehyde reacts with 50% NaOH, this reaction is called as:
2,4-DNPH reaction
Aldol condensation reaction
Clemmensen reaction
Cannizzaro's reaction
126. The hydrate percentage is maximum for:
Propanal
Acetone
Formaldehyde
Acetaldehyde
127. The carbonyl group of aldehyde and ketone are reduced to -CH₂ using reagent:
Dry HCl
LiAlH₄
NaBH₄
N2H4/KOH
128. Aldehydes cannot be easily oxidized by:
K₂Cr₂O₇
H₂SO₄
KMnO₄
HCl
129. Aldehydes do not give which identification test:
2,4-DNPH test
Sodium Nitroprusside Test
Tollen's Test
Fehling's Solution
130. Oxidation of propanol in the presence of K₂Cr₂O₇/H₂SO₄ produces:
Propanol
Propanoic acid
Propanone
Propene
131. Thionyl Chloride reacts with acetic acid resulting in transformation of carboxylic group
Acetimide
Acid halide
Alcohol
Ester
132. Reactivity of carboxyl group is due to presence of:
Hydroxyl group
Terminal hydrogen
Carbonyl group
Alkyl group
133. Ethyl acetate is an:
Amide
Acid halide
Ester
Carboxylic acid
134. Hydrolysis of nitrile will produce:
Ketones
Carboxylic acid
Esters
Aldehydes
135. The common name of pentanedioic acid is:
Glutaric acid
Oxalic acid
Succinic acid
Maleic acid
136. Select the correct order of relative acidic strength of phenol, alcohol, water and carboxylic acid:
Carboxylic acid > water > phenol > alcohol
Carboxylic acid > phenol > water > alcohol
Carboxylic acid > alcohol > phenol > water
Carboxylic acid > water > alcohol > phenol
137. When carboxylic acids are heated with alcohol in the presence of concentrated H₂SO₄, the conversion of function takes place to:
Carboxyl to Carbonyl Group
Carboxyl to ester Group
Carbonyl to Carboxyl Group
Carboxyl to Hydroxyl Group
138. On reacting acetic acid with baking soda, a gas is evolved which turns lime water milky. The gas evolved is:
Cl₂
H₂
NO₂
CO₂
139. Decarboxylation of carboxylic acid occurs in the presence of:
Baking soda
Soda lime
Lime
Caustic soda
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