CHEM BRAIN

If phenol is treated with 3 moles of concentrated HNO₃   in the presence of H₂SO₄ what the product will be the product? MDCAT2023 

Appearance of a silver mirror in tollens test indicates the presence of which of the following.? MDCAT2023

The compound which reacts with Fehling solution is [CPMT 1989]

\( Glucose + Tollen's reagent \rightarrow Silver mirror \)  shows [CPMT 1997]

When acetaldehyde is heated with Tollen's reagent, following is obtained [CPMT 1989; MP PET/PMT 1988]

Which gives difference between aldehyde and ketone [CPMT 1994]

Which one is used in the manufacture of mirror [MP PET 1992]

The reagent that gives an orange coloured precipitate with acetaldehyde [EAMCET 1997; Pb. PMT 2004; AIIMS 1987]

Acetaldehyde and acetone can be distinguished by [AIIMS 1996; DCE 1999; Pb. CET 2000]

Which of the following does not give brick red precipitate with Fehling solution [AIIMS 1996]

Acetaldehyde and acetone differ in their reaction with [KCET 1989]

Fehling's test is positive for [KCET 1993]

Which of the following does not turn Schiff's reagent to pink [DPMT 1981; CPMT 1989]

CH₃CH =CHCHO is oxidised to CH₃CH= CHCOOH using [NCERT 1978]

Silver mirror is a test for [DPMT 1983; CBSE PMT 1988]

Aldehydes can be oxidised by [NCERT 1983]

The alkaline CuSO₄ containing sodium potassium tartrate does not react with [MP PMT 1997]

The light yellow compound produced when acetone reacts with iodine and alkali, is [MP PMT 1992; EAMCET 1993]

Dimethyl ketones are usually characterised through [MNR 1992]

Haloform test is given by the following substance [EAMCET 1988]

Which of the following will not give the iodoform test [MNR 1994]

Acetaldehyde cannot show [AIIMS 1997]

C₂H₅CHO and (CH ₃ )₂CO can be distinguished by testing with [EAMCET 1998; CPMT 1994, 97; MP PET 1995; MP PMT 1996; RPMT 1997, 99]

Which of the following organic compounds exhibits positive Fehling test as well as iodoform test [MP PET 1994; KCET 2001]

Which of the following is incorrect [CBSE PMT 2001]

Methyl ketones can be characterized by performing NUMS2018 

Which one the following compound will produced a yellow precipitate with I₂ dissolve in NaOH SET2019

Which one the following compound will produced a yellow precipitate with I₂ dissolve in NaOH SET2019

Which one of the following reagent can be used to detect an aldehyde ? SET2019

Which of the following will give a positive test with Tollens reagent MDCAT2019 

Identification test for functional group of organic compound are associated with specific observation. Tollen's reagent is ammonical silver nitrate solution which is used for identification of a functional group ''X'' with an observation ''O'' . Identify X and O MDCAT2019

\( CH_3-CH_2-OH \xrightarrow[H2SO4]{K2Cr2O7} \  M  \ \xrightarrow{AgNO3 + NH4OH} N \)                                MDCAT2019

What is the final indication in given reaction 

Which of the following will give iodoform test on treatment with aqueous iodine ? MDCAT2017

To distinguish aldehyde from ketone which solution is used ? MDCAT2017

Which of the following test is given by both aldehyde and ketone ? MDCAT2016

Both aldehyde and ketone give ___________ ? MDCAT2017

Which one of the following is also called silver mirror test  MDCAT2015

Which group gives a yellow precipitate of triiodo-methane when warmed with alkaline aqueous iodine? MDCAT2013

Consider the following reaction:                                                         MDCAT2012

\( R-CHO + 2[Ag[NH_3)_2]OH \rightarrow RCOONH_4 + 2Ag + 2NH_3 + H_2O \) 

this reaction represents which of the following test 

Brick red precipitate are formed when aldehyde reacts with MDCAT2010

Which of following will give a positive test with tollens reagent?  MDCAT2019

Which of the following compound will give a secondary alcohol after reaction with NaBH₄  MDCAT2019

Which of the following reagent is use to separate and purify carbonyls and non-carbonyl compounds MDCAT2020