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Identify X in the following sequence of reactions :
$X\underset{\left(ii\right)H^{+}/H_{2}O}{\overset{\left(i\right)C{H}_{3}MgX}{\to }}{C}_5{H}_{12}O\underset{573K}{\overset{Cu}{\to }}{C}_5{H}_{10}$
(1) $C{H}_{3}COC{H}_{2}C{H}_3$
(2) $C{H}_{3}C{H}_{2}C{H}_{2}CHO$
(3) ${\left(C{H}_3\right)}_{2}CHCHO$
(4) $C{H}_{3}C{H}_{2}C{H}_{2}C{H}_{2}OH$

The compound Y in the above sequence is
1. 2-Methyl-2-phenyl-1-propanol
2. 2-Phenyl-2-propanol
3. Acetophenone
4. 2-Methyl-1-Phenyl-2-propanol

Which among the following compounds is most acidic in character :
(1) HOH
(2) $C{H}_{3}OH$
(3) $C{H}_{3}C{H}_{2}OH$
(4) $OH$
$l$
$C{H}_2-C-C{H}_3$
$l$
$C{H}_3$

Identify (X) in the given sequence of the reaction.
${\mathrm{C}}_3{\mathrm{H}}_8\mathrm{O} \left(\mathrm{X}\right)\underset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{{\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7}{\to }}{\mathrm{C}}_3{\mathrm{H}}_6\mathrm{O}\underset{\mathrm{Warm}}{\overset{{\mathrm{I}}_2+\mathrm{NaOH}}{\to }}{\mathrm{CHI}}_3$
1. $C{H}_3-C{H}_2-C{H}_{2}OH$
2. $$\begin{gathered} C{H}_3-CH-C{H}_3 \\ l \\ OH \end{gathered}$$
3. $C{H}_3-O-C{H}_2-C{H}_3$
4. $C{H}_3-C{H}_2-CHO$

The product ‘A’ is
(1) 

(2) 

(3) 

(4) 

The structure of Q is?
(1) 

(2) 

(3) 

(4)

The compound ‘A’ is
(1)

(2)

(3)

(4)

Dehydration of alcohols

will be in order :
1. I < II < III < IV
2. I > II > III > IV
3. III < II < I < IV
4. II < III < IV < I

(A) and (B) are respectively :
(1)

(2)

(3)

(4)

$C{H}_3$
$l$
$C{H}_3-C-O-C{H}_2{C}_6{H}_5$
$l$
$C{H}_3$ can be prepared from Williamson’s synthesis using
(1) $C{H}_3$
$l$
$C{H}_3-C-Cl$
$l$
$C{H}_3$ and $C_6{H}_{5}C{H}_{2}ONa$
(2) $C_6{H}_{5}C{H}_{2}Cl$ and $C{H}_3$
$l$
$C{H}_3-C-\stackrel{⊝}{O}\stackrel{\oplus }{Na}$
$l$
$C{H}_3$
(3) $C{H}_3$
$l$
$C{H}_3-C-C{H}_{2}Cl$
$l$
$C{H}_3$ and $C_6{H}_{5}ONa$
(4) All of these

Which of the following phenols is soluble in NaHC$O_3$ ?
1. 2, 4, 6-Trinitrophenol
2. 4-Nitrophenol
3. 2-Nitrophenol
4. All of these

A compound X with molecular formula $C_3{H}_{8}O$ can be oxidised to a compound Y
with the molecular formula $C_3{H}_6{O}_2$. X is most likely to be
1. Primary alcohol
2. Secondary alcohol
3. Aldehyde
4. Ketone

The compound which reacts fastest with Lucas reagent at room temperature is :
1. Butan-1-ol
2. Butan-2-ol
3. 2-methylpropan-1-ol
4. 2-methylpropan-2-ol

An organic compound of molecular formular $C_4{H}_{10}O$ does not react with sodium.
With excess of HI, it gives only two types of alkyl halide. The compound is
1. Ethoxyethane
2. 2-Methylpropane-2-ol
3. 1-Methyoxypropane
4. 1-Butanol

Glycerol on treatment with oxalic acid at 110°C forms:
1. Formic acid
2. $C{O}_2$ and CO
3. Allyl alcohol
4. Glycol