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Q.2 Prokaryotic and eukaryotic cells generally have which of the following features in common?
IUPAC name of propionaldehyde is:
Ketones undergo reaction with which compound in the presence of acid to form oximes
Treatment of propionaldehyde with Dil. the NaOH solution gives:
NUMS 2016
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which of the following represent the formula of Ketone?
In Cannizzaro’s reaction, Benzyl alcohol is obtained from?
PreMedPK MDCAT Mock 4
Chemistry
Alcohols, Phenols and Ethers
Aldehydes and Ketones
Elimination Tool:
What type of chemical reaction is this?
CH3CHO + NH3 -> CH3CH(OH)NH2
NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:
In which of the following reagent Cupric citrate complex is formed?
PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:
Methyl Magnesium Bromide reacts with formaldehyde. The product will be:
Why is water added after the reduction process of aldehyde and ketone with LiAlH4?
NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:
Paraldehyde is formed by:
Meta-formaldehyde molecule has Oxygen MOMS:
Ketone can be prepared by the oxidation of:
Tollen’s test is used for the detection of:
Which of the following will not undergo aldol condensation?
PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:
Cyanohydrins can be synthesized from ketones through:
PreMedPK MDCAT Mock 4
Chemistry
Aldehydes and Ketones
Elimination Tool:
Phenylmethyl ketone can be converted into ethyl benzene in one step by using:
NUMS 2016
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which of the following reagent is used to separate and purify carbonyl and non carbonyl compounds?
PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:
In Cannizzaro’s reaction out of two moles, one makes salt of an acid the other makes
A diabetic person’s exhaled breath contains propanone. A student tries to test the diabetes by asking the person to bubble the reagent with his exhaled breath. Which of the following reagents would give a positive result?
NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:
What one is the correct geometry of acetal?
PreMedPK MDCAT Mock 3
Aldehydes and Ketones
Elimination Tool:
Which of the following does not give iodoform test?
NUMS 2014
Chemistry
Aldehydes and Ketones
Elimination Tool:
A student mixed ethyl alcohol with a small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product?
PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:
Why is it necessary to distill aldehyde formed from oxidation of primary alcohol through acidified potassium dichromate (VI) solution or acidified sodium dichromate (VI) solution?
PreMedPK MDCAT Mock 5
Chemistry
Alcohols, Phenols and Ethers
Aldehydes and Ketones
Elimination Tool:
Metaformaldehyde is a result of?
Simplest aromatic aldehyde has number of hydrogen atoms.
In the addition of sodium bisulfite to carbonyl system, which of the following is a nucleophile?
PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:
Identification tests for functional groups of organic compounds are associated with specific observations. Tollen’s reagent is an ammoniacal silver nitrate solution, which is used for the identification of a functional group X with an observation O. Identify X and O.
PreMedPK MDCAT Mock 2
Chemistry
Aldehydes and Ketones
Elimination Tool:
What should be added to methane to produce HCN?
Which of the following reactions is NOT shown by ketones?
NTS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:
IUPAC Name of formaldehyde is
Ketone reacts with Grignard reagent to form ______ in acidic media?
NTS 2015 SMBBMC
Chemistry
Aldehydes and Ketones
Elimination Tool:
A diabetic person’s exhaled breath contains propanone. A student tries to test the diabetes by asking the person to bubble the reagent with his exhaled breath. Which of the following reagents would give a positive result?
PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:
Carbonyl group undergoes:
NUMS 2019 Reconduct
Chemistry
Aldehydes and Ketones
Elimination Tool:
Phenylmethyl ketone can be converted into ethyl benzene in one step by using:
PreMedPK MDCAT Mock 2
Chemistry
Aldehydes and Ketones
Elimination Tool:
– ROR is the nucleophile of
NTS 2011
Chemistry
Aldehydes and Ketones
Elimination Tool:
Formaldehyde is Industrially Prepared from:
Which class of the compounds is represented by the type formula ROR?
NUMS 2017
Chemistry
Aldehydes and Ketones
Elimination Tool:
Aldehyde is prepared industrially by air oxidation of ethylene using catalyst
During oxidation of unsymmetrical ketones which atom is oxidized?
PreMedPK MDCAT Mock 5
Aldehydes and Ketones
PMC Practice 28
Elimination Tool:
The flavour of amyl butyrate is:
PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which of the following will not undergo aldol condensation?
NUMS 2016
Chemistry
Aldehydes and Ketones
Elimination Tool:
Ketones and aldehydes are reduced in the presence of catalyst:
What is the color of the precipitate when Brady’s reagent is used to test a benzaldehyde?
NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:
Identify the common name of the following compound:
CH₃CH₂COCH₂OH
PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Fundamental Principles of Organic Chemistry
Elimination Tool:
Tincture of Iodine is:
NUMS 2015
Chemistry
Aldehydes and Ketones
Elimination Tool:
Odour of formaldehyde Is:
Which of the following can be oxidized to an aldehyde?
NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:
H —CHO is:
Cyanohydrins can be synthesized from ketones through:
NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which of the following reagent is used to separate and purify carbonyl and non carbonyl compounds?
PMC 2020
Chemistry
Aldehydes and Ketones
Elimination Tool:
Hybridization of carbon in -CHO group is:
NUMS 2019 Reconduct
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which of the following Compound is not reduced by NaBH4 ?
PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Elimination Tool:
Oxidation of alcohol converts it into?
Consider the following reaction:
R―CHO + 2[Ag(NH3)2]OH → R―COONH4 + 2Ag + 2NH3 + H2O This reaction represents one of the following tests.
PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Elimination Tool:
Butanone on oxidation with K2Cr2O7 / H2SO4 forms:
NUMS 2020
Chemistry
Aldehydes and Ketones
Elimination Tool:
Methyl ketones can be characterized by performing:
NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:
In which of the following reaction alkyl ketones are converted Into carboxylic acid with one carbon atom less than the parent compound?
The general formula for an aldehyde is:
NTS 2010
Chemistry
Aldehydes and Ketones
Elimination Tool:
Which one of the following is used in making lozenges?