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DHARMA PYQs @UCYevZgetpPWK_vXEZjHP8Wg@youtube.com

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In this channel I will teach you Previous Year Questions of


06:42
(a) Write the product of the following reaction : CH3COOH (Cl2/P) to gives (b) Give simple ---.
01:34
Write the IUPAC name of the following : HOOC-CH2-CH2-CH2-CH2-COOH
04:17
Account for the following :Cl CH2COOH is a stronger acid thanCH3COOH. (2/5, AI 2014)
01:30
Write the IUPAC name of the following compound: COOH-Benzene-(OH)2
11:34
How will you convert the following in not more than two steps :(i) Acetophenone to benzoic acid ---.
08:22
(a) Write the product in the following reaction : Benzene-COONa + NaOH (CaO,∆) to gives ?(b) ---.
09:16
Write the reactions involved in the following :(i) Hell—Volhard—Zelinsky reaction (ii) ---.
01:42
Draw the structure of the following compound: 2-Ethyl-2-methylpentanoicacid
05:37
How will you carry out the following conversion :Toluene to m-nitrobenzoic acid(1/5, Delhi 2013C)
04:40
Give reasons : Chloroacetic acid is stronger than acetic acid. (1/5, Delhi 2013C)
03:40
Write the products of the following reaction :Benzoic acid (Br2,FeBr3) to gives (1/5, AI 2013)
05:46
Write the chemical equation to illustrate the following name reaction :Hell-Volhard-Zelinsky---.
05:51
Describe the following giving chemicalequation :Decarboxylation reaction(1/5, Delhi 2015C, 2012)
05:11
Give simple chemical test to distinguish between the following pair of compounds :Benzoic acid ---.
03:28
Which of the following compounds is formed when Benzyl alcohol is oxidised with KMnO4?(a) CO2 ---.
03:41
Write the main product in the following equation : CH3-COOH (PCl5) to gives (1/5, Delhi 2015C)
04:37
Name the reagent used in the following reaction : CH3-COOH to gives (?) CH3 COCl(1/2,Foreign 2015)
04:17
Predict the products of the following reaction :CH3COONa(NaOH/CaO) to gives? (1/3, Delhi 2015)
04:11
Distinguish between CH3COOH and HCOOH (1/2, AI 2016)
05:02
Give simple chemical tests to distinguish between the following pairs of compounds :Benzoic acid---.
05:52
Write structures of compounds A and B in each of the following reaction: Dry Ice (CH3MgBr,Dry---.
05:19
Do the following conversion in not morethan two steps:Benzoic acid to benzaldehyde.(1/3, Delhi---.
07:24
Carry out the following conversions:Propanoic acid to acetic acid. (1/5, AI 2019)
03:45
Write the structure of major product(s) inthe following :Benzoic Acid (NaOH) to gives (1/5, AI 2019)
04:03
Complete the following reaction : (CH3)2-CH-COOH ((i)Br2/Red P4,(i)H2O) to gives(1/3, Delhi 2019)
02:31
n-Butyl benzene on oxidation gives:(a)Butanoic acid(b)Benzoic acid(c)Benzene(d) None of these
06:16
Arrange the following in the increasing order of their boiling points.CH3CHO, CH3COOH, CH3CH2OH---.
12:28
Write the structures of A, B, C, D and E in the following reactions :C6H6 (CH3COCl,Anhyd. AlCl3)---.
10:53
How are the following conversions carried out?(i) Ethyl cyanide to ethanoic acid.(ii) Butan-1-ol---.
11:06
Two moles of organic compound ‘A’ on treatment with a strong base gives two compound ‘B’ and ‘C’---.
08:49
Write a suitable chemical equation to complete each of the following transformations :(i) Butan---.
04:12
Predict the organic product of the following reaction :Ethyl Benzene (KMnO4, KOH, Heat) to gives---.
04:48
Predict the product of the following reaction : Cyclohexene (KMnO4, H2SO4, Heat) to ---.
04:08
How will you carry out the followingconversions?(i) Acetylene to acetic acid(1/5, Delhi 2013C)
03:47
Name the reagent used in the following reaction :C6H5-CH2-CH3 to(?)gives C6H5 COO–K+(1/2,Delhi 2015)
04:20
Do the following conversion in not morethan two steps:Ethyl benzene to benzoic acid(1/3, Delhi 2017)
03:22
How do you convert the following :Toluene to benzoic acid? (1/2, 2018)
05:03
Write structures of compounds A and B in each of the following reaction. Ethyl Benzene (KMnO4- ---.
02:59
Write the IUPAC name of COOH-Benzene-(Br, Cl) (AI 2011C)
02:46
Write the IUPAC name of the following : CH3-C≡C-CH=CH-CO-OH(Delhi 2011C)
03:01
Write the IUPAC name of the compound : CH3-CH-(OH)-CH2-COOH (Delhi 2014)
05:15
What is the correct IUPAC name of the given compound?(CH3)2-C-COOH-CH2-CH3(a) 2,2-Dimethyl---.
04:55
Under Wolff-Kishner reduction conditions, the conversions which may be brought about are(a) ---.
06:30
When benzaldehyde and formaldehyde are heated in an aqueous NaOH solution, they produce(a) ---.
03:12
What is the common name of the molecule with a CHO group connected to a benzene ring's sp2 --- .
04:41
What is butanal's common name?(a) n-Butyraldehyde (b) Butanaldehyde(c) Butyraldehyde (n-Butyr) ---.
02:51
What is the angle between the carbonyl C-O bond and the bond between the carbonyl carbon and ---.
02:37
Which of the following ketones has the common term acetone?(a) Dimethyl ketone(b) Ethyl methyl---.
12:32
An organic compound (A) which has characteristic odour, on treatment with NaOH forms two comp---.
07:11
How will you bring about the followingconversions?(i) Propanone to propane(ii) Benzoyl ---.
13:28
Write the products formed when ethanal reacts with the following reagents :(i) CH3MgBr and then---.
11:46
(a) Write the chemical equations to illustrate the following name reactions :(i) Rosenmund ---.
08:36
Write the products formed when CH3CHO reacts with the following reagents :(i) HCN (ii) H2N ---.
15:30
Write the chemical equations to illustrate the following name reactions :(i) Wolff–Kishner ---.
06:49
How will you convert ethanal into thefollowing compounds? Give the chemical equations ---.
10:22
Write the structures of the main products when acetone (CH3-CO-CH3) reacts withthe following ---.
10:42
An alkene A with molecular formula C5H10 on ozonolysis gives a mixture of two compounds,B and C.---.
17:15
(a) Write the chemical reaction involved in Wolff-Kishner reduction.(b) Arrange the following ---.
10:34
(a) Write the chemical equation for the reaction involved in Cannizzaro reaction.(b) Draw the ---.
03:51
Draw the structure of the compound named 4-methylpent-3-en-2-one.(Delhi 2013C)