Chemistry Test 146

Result

Chemistry Test 146

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Weekly Quiz Competition

Question 1
4 / -1

Aldol condensation will not take place in

A
HCHO

B
CH₃CHO

C
CH₃COCH₃

D
CH₃CH₂CHO
Question 2
4 / -1

Calcium formate on dry heating yields

A
Acetone

B
Formaldehyde

C
Acetic acid

D
Acetaldehyde
Question 3
4 / -1

Polarization of electrons in acrolein may be written as

A

B

C

D
Question 4
4 / -1

Rearrangement of an oxime to an amide in presence of a strong acid is called

A
Curtius rearrangement

B
Fries rearrangement

C
Beckmann rearrangement

D
Sandmeyer reaction
Question 5
4 / -1

Identify the compounds A and B in the following reaction sequence.

A
A = CH₃CO₂H , B = (CH₃CO)₂ O

B
A = (CH₃)₂ C (OH) CN, B = (CH₃) C(OH)CO₂H

C
A = CH₃ CHO , B = CH₃ CO₂ H

D
(CH₃)₂ C(OH)CN ,B = (CH₃)₂ C = O
Question 6
4 / -1

Which of the following has the most acide hydrogen

A
3-hexanone

B
2, 4-hexanedione

C
2, 5-hexanedione

D
2, 3-hexanedione
Question 7
4 / -1

The incorrect IUPAC name is

A

B

C

D
Question 8
4 / -1

Which of the following organic compounds answers both iodoform test and Fehling’s test ?

A
Ethanal

B
Propanone

C
Ethanol

D
Methanol
Question 9
4 / -1

An organic compound ‘A’ has the molecular formula. C₃ H₆O It undergoes iodoform test. when saturated with HCl, it gives ‘B’of molecular formula. ‘C₉H₁₄O A’ and ‘B’ respectively are

A
Propanal and mesitylene

B
Propanone and mesityl oxide

C
Propanone and 2, 6-dimethyl-2,5-heptadien-4 one

D
Propanone and mesityl oxide
Question 10
4 / -1

Acetone is mixed with bleaching powder to give

A
chloroform

B
acetaldehyde

C
ethanol

D
phosgene