Examine the following structures:- $$(A)$$ $$(CH_3)_3C-OH$$ $$(B)$$ $$(CH_3)_3C-NH_2 $$ Which of the following statement is correct ?

$$ \mathrm{A} $$ is tertiary alcohol while $$ \mathrm{B} $$ is primary amine.

A is tertiary alcohol while $$ B $$ is tertiary amine.

A is primary alcohol while $$ B $$ is primary amine.

A is primary alcohol while $$ B $$ is tertiary amine.

MCQ Questions for Class 12 Medical Chemistry Alcohols, Phenols And Ethers Quiz 1

The IUPAC name of

Identify:

Which of the following is the best set of reagents to perform the above conversion?

0%
$ThO_{2},\Delta$
0%
$H_{3}PO_{4},\Delta$
0%
$conc.H_{2}SO_{4},\Delta$
0%
$Al_{2}O_{3},\Delta$

Major product of the following reaction is

The order of melting point of ortho, para, meta-nitrophenol is

0%
$o\gt m\gt p$
0%
$p\gt m\gt o$
0%
$m\gt p\gt o$
0%
$p\gt o\gt m$

The IUPAC name of

Propene is subjected to acidic hydration and hydroboration oxidation in two different experiments. The products obtained respectively are

0%
n-propyl alcohol, n-propyl alcohol
0%
isopropyl alcohol, isopropyl alcohol
0%
n-propyl alcohol, isopropyl alcohol
0%
isopropyl alcohol, n-propyl alcohol

What is the major product A?

What is the reagent used and appropriate temperature required to prepare ethene from ethyl alcohol?

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Dilute $H _ { 2 } S O _ { 4 } , 160 ^ { \circ } C$
0%
Concentrated $H _ { 2 } S O _ { 4 } , 170 ^ { \circ } C$
0%
Dilute $H C l , 170 ^ { \circ } C$
0%
Concentrated $H C l , 160 ^ { \circ } C$

Dehydration of alcohol to alkene involves all the steps, except:-

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combination with proton
0%
formation of cabonium ion by removal of water molecule
0%
loss of proton from carbonium ion from the $\beta$ -position
0%
loss of proton from carbonium iron from $\alpha$ -position

In which of the following the experimental dipole moment is more than what is expected from theory?

0%
0%
0%
0%
All of these

The sum of locants of the compound is _________

0%
10
0%
8
0%
9
0%
7

Which of the following is correct for acidic strength:-

0%
B and C
0%
C and D
0%
B and D
0%
A,B and C

Examine the following structures:-

(A)

$(A)$

(C H_{3})_{3} C - O H

$(CH_3)_3C-OH$

(B)

$(B)$

(C H_{3})_{3} C - N H_{2}

$(CH_3)_3C-NH_2$
Which of the following statement is correct ?

0%
A is tertiary alcohol while $B$ is tertiary amine.
0%
A is primary alcohol while $B$ is primary amine.
0%
$\mathrm{A}$ is tertiary alcohol while $\mathrm{B}$ is primary amine.
0%
A is primary alcohol while $B$ is tertiary amine.

In the following reaction A and B respectively are

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${ 3 }^{ \circ }$ and ${ 1 }^{ \circ }$ alcohols
0%
${ 3 }^{ \circ }$ and ${ 2 }^{ \circ }$ alcohols
0%
Both ${ 2 }^{ \circ }$ alcohols
0%
${ 2 }^{ \circ }$ and ${ 1 }^{ \circ }$ alcohols

0%
0%
0%
0%
both A and B will form

Which of the following will be the correct product of reaction?

The major product in the acid catalysed dehydration of 2-pentanol is

0%
Pent-1-ene
0%
Pent-2-ene
0%
Pent-3-ene
0%
Methylbut-1-ene

C o m p o u n d (R e f e r I m a g e) △ - ------ \to C o n c . H_{2} {S O}_{4}

$Compound( Refer \ Image)\xrightarrow [ Conc.{ H }_{ 2 }{ SO }_{ 4 } ]{ \triangle }$

The major product obtained in the above reaction is:

Which of the following is most reactive toward acid catalyzed dehydration?

The IUPAC name of the compound is

0%
1, 1-Dimethyl-3-cyclohexanol
0%
1, 1-Dimethyl-3-hydroxycyclohexane
0%
3,3-Dimethyl-1-cyclohexanol
0%
3, 3-Dimethyl-1-hydroxycyclohexane

Ethers show dipolar nature due to the presence of ______.

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central C atom
0%
central O atom
0%
central N atom
0%
none of these

State, whether the following statements are True or False:
Phenols having electron withdrawing group or groups attached to benzene ring are more acidic than phenol itself.

0%
True
0%
False

State, whether the following statements are True or False:

C_{2} H S O C_{2} H 5

$C_2HSOC_2H5$ is a linear molecule having zero dipole moment.

0%
True
0%
False

Cresols are

0%
Hydroxy toluenes
0%
Dihydric phenols
0%
Trihydric phenols
0%
Trihydric alcohols

IUPAC name of tertiary butyl alcohol is

0%
Butan-1-ol
0%
Butan-2-ol
0%
2-methyl propan-1-ol
0%
2-methyl propan-2-ol

Wood spirit is known as

0%
Methanol
0%
Ethanol
0%
Acetone
0%
Benzene

The IUPAC name of picric acid is

0%
$2,4,6-$ trinitrophenol
0%
$2,4,6-$ trinitrobenzoic acid
0%
$4-$ nitrophenol
0%
None of these

Explanation

The IUPAC name of picric acid is

2, 4, 6 -

$2,4,6-$ trinitrophenol.
1680239_1761556_ans_5a4332f492334ffabdddf104948f51b1.png

The

I U P A C

$IUPAC$ name of compound

$\begin{matrix} \quad \quad O{ CH }_{ 3 } \\ | \\ { CH }_{ 3 }-{ CH }_{ 2 }-CH-{ CH }_{ 2 }-OH \end{matrix}$ is

0%
$2-$ methoxy $-1-$ butanol
0%
$3-$ methoxy $-1-$ butanol
0%
$2-$ methoxy $-1-$ butanol
0%
$1,2-$ methoxy $-$ butanol

The structural formula of cyclohexanol is

3-pentanol is a:

0%
Primary alcohol
0%
Secondary alcohol
0%
Tertiary alcohol
0%
None of these

Explanation

3-pentanol is a secondary alcohol as it is connected to secondary carbon (conected to two carbon atom).

Hence, option

$B$ is correct.

1626909_1762350_ans_ea06d5cf9360427683030ef16eeaa6a6.JPG

General formula of primary alcohol is

0%
$>CHOH$
0%
0%
$-CH_2OH$
0%

Explanation

$-OH$ group is attached to primary carbon.

Which of the following is phenolic

0%
Phthalic acid
0%
Phosphoric acid
0%
Picric acid
0%
Phenylacetic acid

Which one of the following is not a correct statement?

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Phenol is a much weaker acid than benzoic acid
0%
The reaction of ferric chloride with phenol to give violet colour is characteristic of ethanol group
0%
Phenol is a stronger acid than ethanol but weaker than benzyl alcohol
0%
Picric acid does not contain a COOH group.