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(D) To determine the increasing order of polarity, we analyze the dipole moments and intermolecular forces of the given compounds:$1$. $CH_3CH_2OCH_2C

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$A < C < B < D$

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(D) To determine the increasing order of polarity, we analyze the dipole moments and intermolecular forces of the given compounds:$1$. $CH_3CH_2OCH_2CH_3$ (Diethyl ether): It is an ether with a small dipole moment due to the $C-O-C$ bond, but it lacks hydrogen bonding. It is the least polar.$2$. $CH_3COCH_3$ (Acetone): It is a ketone with a strong $C=O$ dipole, making it more polar than the ether.$3$. $CH_3CH_2OH$ (Ethanol): It contains an $-OH$ group, allowing for intermolecular hydrogen bonding, which significantly increases its polarity compared to ethers and ketones.$4$. $CH_3COOH$ (Acetic acid): It contains a carboxyl group $(-COOH)$, which allows for strong hydrogen bonding and has a high dipole moment due to the resonance-stabilized carbonyl and hydroxyl groups. It is the most polar.Thus, the increasing order of polarity is $A < C < B < D$.

Column-$I$	Column-$II$
$(i)$ $2-$methylphenol	$(a)$ Hydroquinone
$(ii)$ Benzene$-1,2-$diol	$(b)$ Phenetole
$(iii)$ Benzene$-1,3-$diol	$(c)$ Catechol
$(iv)$ Benzene$-1,4-$diol	$(d)$ $o$-Cresol
$(v)$ Methoxybenzene	$(e)$ Quinone
$(vi)$ Ethoxybenzene	$(f)$ Resorcinol
	$(g)$ Anisole

Column $-I$	Column $-II$
$(A)$ Methanol	$(1)$ Conversion of phenol to $o-$hydroxybenzoic acid
$(B)$ Kolbe's reaction	$(2)$ Ethyl alcohol
$(C)$ Williamson's synthesis	$(3)$ Conversion of phenol to salicylaldehyde
$(D)$ Conversion of $2^o-$ alcohol to ketone	$(4)$ Wood spirit
$(E)$ Reimer-Tiemann reaction	$(5)$ Heated copper at $573 \ K$
$(F)$ Fermentation	$(6)$ Reaction of alkyl halide with sodium alkoxide

Arrange the following compounds in the increasing order of polarity:
$A. CH_3CH_2OCH_2CH_3$
$B. CH_3CH_2OH$
$C. CH_3COCH_3$
$D. CH_3COOH$
Choose the correct answer from the options given below:

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Arrange the following compounds in the increasing order of polarity:$A. CH_3CH_2OCH_2CH_3$$B. CH_3CH_2OH$$C. CH_3COCH_3$$D. CH_3COOH$Choose the correct answer from the options given below: