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Quiz 215
Mdcat-past-papers Quiz
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4281. Which one is not the use of acetaldehyde?
Making phenolic resins
Silvering of mirrors
Throat lozenges
Hypnotic drugs
4282. In Cannizzaro's reaction, alcohol is a ------ product.
Oxidized
Reduced
Does not produce at all
Alcohol is reactant of this reaction
4283. Butanone on oxidation with K₂Cr₂O₇/H₂SO₄ forms:
Acetic acid
Acetic acid and ethane
Methane & Propanoic Acid
Propanoic Acid and Methanoic acid
4284. Which of the following is also called silver mirror test?
Benedict's solution test
Fehling's solution test
Iodoform test
Tollen's reagent test
4285. Acetone gives:
Fehling solution test positive
Silver mirror test positive
Lucas test positive
Iodoform test positive
4286. 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
4287. The identification test for ketone is:
Benedict's solution test
Fehling's solution test
Sodium nitroprusside test
Tollen's test
4288. Catalytic reduction of aldehyde and ketone forms:
Alcohol
Carboxylic acid
Alkane
Aldehyde
4289. Which compound will be produced by the oxidation of ethanol by acidified K₂Cr₂O₇?
Ethene
Ethanol
Ethanoic acid
Ethanone
4290. Which among the following have least pH?
CH₃CH₂COOH
CH₂ClCH₂COOH
CH₃CHCl2COOH
CH₃CH₂COOH
4291. If carboxylic acid and ketone groups C=O are present in a chain then final name will be given as:
oxo, oic acid
one, oic acid
Both 1 and 2
None of these
4292. When carboxylic acids and dicarboxylic acids have similar molecular weights, how do their melting points compare?
Carboxylic acids have greater melting points
Dicarboxylic acids have greater melting points
Both have similar melting points
No any consistent trends exist
4293. If carboxylic acid and ketone groups C=O are present in a chain then final name will be given as:
oxo, oic acid
Both 1 and 2
one, oic acid
None of these
4294. Acetic acid is a weak acid than sulphuric acid because of which of the following reasons?
It decomposes on increasing temperature
It has -COOH group
It has less degree of ionization
It has more inductive effect
4295. Common name of 2-hydroxy propanoic acid is:
Tartaric acid
Lactic acid
Phthalic acid
Formic acid
4296. HOOC–COOH has IUPAC name:
Acetic acid
Oxalic acid
Diethanoic acid
Ethandioic acid
4297. Hexanoic acid is IUPAC name of:
Adipic acid
Propionic acid
Formic acid
Caproic acid
4298. What is the IUPAC name of stearic acid?
Hexanoic acid
Octadecanoic acid
Octanoic acid
Hexadecanoic acid
4299. What is the IUPAC name of Alpha-Beta dimethyl Valeric acid?
2,3-dimethyl hexanoic acid
3,4-dimethyl hexanoic acid
3,4-dimethyl pentanoic acid
2,3-dimethyl pentanoic acid
4300. Thionyl Chloride reacts with acetic acid resulting in transformation of carboxylic group
Acetimide
Acid halide
Alcohol
Ester
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