Aldehydes Ketones and Carboxylic Acids Test

Result

Aldehydes Ketones and Carboxylic Acids Test - 61

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Weekly Quiz Competition

Question 1
1 / -0

The major product in the reaction of $$\alpha$$-bromo cyclohexanone with potassium ethoxide is?

A

B

C

D
Question 2
1 / -0

In the reaction CH$$_{3}$$OH $$\rightarrow$$ HCOOH, the number of electrons that must be addad to the right is :

A
4

B
3

C
2

D
1

Solution

Assign oxidation no.s for each atom in equation.
$$C$$ has changed its oxidation number from $$-2$$ to $$+2$$
$$\left( +2 \right) -\left( -2 \right) =4$$
$${ CH }_{ 3 }OH\rightleftharpoons HCOOH+4{ e }^{ - }$$
So, $$4$$ electrons are to be added on right side.
Question 3
1 / -0

Arrange the following compounds in decreasing order of reactivity towards nucleophilic addition reaction:

I) $${ C }_{ 6 }{ H }_{ 5 }COC{ H }_{ 3 }$$
II) $$C{ H }_{ 3 }-COC{ H }_{ 3 }$$
III) $$C{ H }_{ 3 }-CHO$$

A
I > II > III

B
III > II > I

C
II > I > III

D
III > I > II

Solution
Question 4
1 / -0

Choose the compound D from the following.

A

B

C

D

Solution
Question 5
1 / -0

Which of the following is correct?

A
Aldehydes undergo Cannizzaro's reaction

B
Aldehydes are less susceptible to oxidation than ketones

C
Aldehydes are more susceptible to oxidation than ketones

D
Formaldehyde forms $$CuO$$ with Fehling's solution

Solution
Question 6
1 / -0

Which of the following compounds gives an explosive on decarboxylation?

A
$$2,4,6-$$trinitrobenzoic acid

B
$$2,4-$$dinitrobenzoic acid

C
$$o-$$aminobenzoic acid

D
$$o-$$hydroxy benzoic acid
Question 7
1 / -0

Identify the products(s) obtained in the following reaction

A
$$CH_3COOH$$

B
$$CH_3CH_2CH_2COOH$$

C
$$CH_3CH_2COOH$$

D
All of these

Solution
Question 8
1 / -0

Possible product of the following reaction is:

$$CH_3CHO + CH_3 CH_2 CHO \xrightarrow[(ii)\Delta]{(i)NaOH}$$

A
$$CH_3CH_2CH_2OH$$

B
$$CH_3CH = \overset{CH_3}{\overset{|}{C}} - CHO$$

C
$$CH_3CH_2CH = CH - CH_2OH$$

D
$$CH_2 = CH - CHO$$

Solution
Question 9
1 / -0

$$\underrightarrow { NaOH\left( aq \right) }$$

A

B

C

D

Solution
Question 10
1 / -0

The correct IUPAC name of the compound is:

A
$$3$$-amino-$$6$$-bromocyclohexane-$$1$$-carboxylicacid

B
$$2$$-bromo-$$5$$-aminocyclohexane-$$1$$-carboxylic acid

C
$$5$$-amino-$$2$$-bromocyclohexane-$$1$$-carboxylic acid

D
$$2$$-bromo-$$5$$-carboxycyclohexanamine