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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Chemistry Subject - Carbonyl Compounds, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test
1.
Methyl ketones are usually characterised by _______.
the Fehling's solution
the iodoform test
the Schiff's test
the Tollen's reagent
2.
Isopropyl alcohol vapours with air over silver catalyst at 520 K give _______.
tertbutyl alcohol
acetaldehyde
acetone
2-propanol
3.
Schiff's reagent gives pink colour with _______.
acetone
acetaldehyde
ethyl alcohol
methyl acetate
4.
Pick out the compounds that gives effervescence with aqueous NaHCO3.
I. C6H5OH
II. C6H5NH2
III. (CH3CO)2O
IV. CH3COOH
I and II
I and IV
III and IV
III and I
5.
A compound 'X' when mixed with ethanol and a drop of concentrated H2SO4 gave a compound with fruity odour. Identify 'X'.
HCHO
CH3OH
CH3COOH
CH3NH2
6.
Which of the following acids do not exhibit optical isomerism?
lactic acid
tartaric acid
maleic acid
both (a) and (b)
7.
Choose a suitable reagent to carry out the above reaction.
NaBH4
H2/Pd
KMnO4
H2SO4
8.
Which among the following statement is incorrect regarding urotropine?
It is an urinary antiseptic
It is hexa methylene diamine
Used in the preparation of an explosive
All the above
9.
Identify 'X'.
10.
Which among the carbonyl compounds cannot be prepared by Rosenmund reduction?
Ketones
Formaldehyde
Acetaldehyde
Both (a) and (b)
11.
The IUPAC name of the compound
4 - methoxy - 2 - nitro benzaldehyde
4 methoxy - 6 - nitro benzaldehyde
2 - formyl- 5 - methoxynitrobenzene
4 formyl - 5 - nitroanisole
12.
Which among the following on oxidation with alk.KMnO4 will give butanone?
Butan -1- ol
Butan - 2-ol
Both (a) and (b)
Neither (a) nor (b)
13.
Cannizaro reaction is not given by _______.
CH3CHO
HCHO
14.
Give the common and IUPAC name of the compound HO-CH2-\(\underset { \overset { | }{ OH } }{ CH } \)-CHO
glyceraldehyde, hydroxy prop anal
glyceraldehyde, 2, 3 - dihydroxy prop anal
crotonaldehyde, hydroxy propanal
crotonaldehyde, 2, 3 - dihydroxy propanal
15.
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
1.
(b)
the iodoform test
2.
(c)
acetone
3.
(b)
acetaldehyde
4.
(c)
III and IV
5.
(c)
CH3COOH
6.
(c)
maleic acid
7.
(c)
KMnO4
8.
(b)
It is hexa methylene diamine
9.
(c)
10.
(d)
Both (a) and (b)
11.
(a)
4 - methoxy - 2 - nitro benzaldehyde
12.
(b)
Butan - 2-ol
13.
(c)
CH3CHO
14.
(b)
glyceraldehyde, 2, 3 - dihydroxy prop anal
15.
(a)
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