Aldehydes Ketones and Carboxylic Acids Test

Result

Aldehydes Ketones and Carboxylic Acids Test - 68

Score
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is an example of nucleophilic addition reaction?

A
$$CH\equiv CH+Cl_2\rightarrow CHCl=CHCl$$

B
$$CH\equiv CH \xrightarrow{HCl,CH_3COOH}CH_2=CHCl$$

C
$$CH\equiv CH\xrightarrow{NaNH_2}CH\equiv C^-Na^+$$

D
$$CH\equiv CH+H_2O\xrightarrow{H^+, Hg^{2+} / \Delta}CH_3CHO$$
Question 2
1 / -0

Heptanol $$\underrightarrow { { CrO }_{ 3 }/{ H }_{ 2 }{ SO }_{ 4 } } \quad \quad ?$$

A
Heptanal

B
Heptanoic acid

C
Ethanal+ Proponal

D
None of these
Question 3
1 / -0

$$p{K_a}$$ value is least for:

A

B

C

D
Question 4
1 / -0

The systematic name of $$(CH_{ 3 })_{ 2 }CH-COOH$$

A
2-Propanoic acid

B
Isobutanoic acid

C
2-Methyl propanoic acid

D
2-Methyl butanoic acid
Question 5
1 / -0

Greatest amount of hydration is in:

A

B

C

D
equal
Question 6
1 / -0

Which one is most reactive towards nucleophilic addition reaction?

A

B

C

D
Question 7
1 / -0

Product I and II re respectively:

A

B

C

D

Solution

Prepare carboxylic acid from alkenes .
Alkenes may be converted into carboxylic acid through oxidative cleavage of the double bond with neutral or acid pormangante, for one hydrogen located at the double bond, otherwise only ketones are formed.
Ref. image
Option A, B & C in ortho & meta position carboxylic group present because of that steric hinderance occur product unstable. Whenever steric crowding reaction not take place in normal condition.
Question 8
1 / -0

The smallest homologue of the monocarboxylic acid family which shows resonance is:

A
Methanoic acid

B
Ethanoic acid

C
Propanoic acid

D
None of the above
Question 9
1 / -0

Lactic acid is formed, on hydrolysis of the cyanohydrin of

A
Methanal

B
Ethanal

C
Propanal

D
Propanone

Solution
Question 10
1 / -0

In the following reaction, the compound $$Z$$ is:

A
benzoic acid

B
benzaldehyde

C
acetophenone

D
benzene

Solution