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Quiz 7
Mdcat-past-papers - ETEA - Chemistry Quiz
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Board: ETEA | Subject: Chemistry |
121. Which of the following will not affect the SN1 mechanism?
Nature of solvent
Carbocation
Nature of nucleophile
Carbonion
122. Which compound reacts most rapidly by SN1 mechanism?
Chloromethane
1-chloroethane
2-chloro-2-methylpropane
2-chloropropane
123. Compound X reacts with Grignard's reagent to produce tertiary alcohols. What is the compound?
Aldehyde
Ketone
Acid Halide
Carboxylic Acid
124. Lucas test is based on?
Order of reaction
Condition of reaction
Molecularity of reaction
Rate of reaction
125. Which aldehyde is more reactive towards nucleophilic addition?
Acetaldehyde
Formaldehyde
Butyraldehyde
Propionaldehyde
126. Oxidation of secondary alcohol gives which of the following product?
Aldehyde
Carboxylic acid
Ester
Ketone
127. Oxidation of secondary alcohol gives:
Carboxylic acid
Ketone
Ether
Phenol
128. Acetone reacts with hydrogen cyanide (HCN) to form a cyanohydrin. It is an example of:
Electrophilic addition
Nucleophilic substitution
Electrophilic substitution
Nucleophilic addition
129. In presence of which of the following, Wolff-Kishner reduction of aldehydes is carried out?
Glycol with KOH
H₂ with Pd
LiAlH₄ in water
Zn-Hg with HCl
130. Silver Mirror with Tollen's Reagent is formed by:
Acid halides
Alcohols
Ketones
Aldehydes
131. Benedict's solution is the combination of:
Cu(OH)₂ + NaOH + Tartaric acid (C₄H₆O₆)
Cu(OH)₂ + NaOH + Citric acid (C₆H₈O₇)
Ag(NH₃)₂OH + NaOH + H₂SO₄
NaCl + NaOH + Citric acid
132. Which of the following statements is false about the acid strength of acetic acid?
Acetic acid is a stronger acid than monochloroacetic acid
Acetic acid is a stronger acid than propionic acid
Acetic acid is a weaker acid than trichloroacetic acid
Acetic Acid is a weaker acid than formic acid
133. In the IUPAC system carboxylic acid can also be called:
Alkynoic acid
Alkenoic acid
Alkynoic acid
Alky alkynoate
134. Which of the following organic acid does not belong to COOH group?
Alkanoic acid
Butyric acid
Picric acid
Alkanoic acid
135. Which of the following represents the functional group of acid halides?
R–OH
R–COX
R–X
R–COOH
136. X is a compound that does not react with Na metal but produces carboxylic acid when heated under reflux with acidified potassium dichromate:
Propanal
Propanone
Propan-1-ol
Propan-2-ol
137. Acetic acid can be prepared by the hydrolysis of:
Ethanal
Ethanoic anhydride
Ethanol
Methyl Cyanide
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