COMEDK 2023 Evening Shift | Alcohol, Phenols and Ethers Question 7 | Chemistry

$$\mathrm{C}_6 \mathrm{H}_{14} \mathrm{O}(\mathrm{X})$$ on reaction with $$\mathrm{HI}$$ yields a haloalkane (A) and an alcohol (B). Compound (A) on reaction with aqueous $$\mathrm{NaOH}$$ gives an alcohol (C). Compounds (B) and (C) on reaction with $$\mathrm{CrO}_3$$ in anhydrous medium yields Butanone and Ethanal respectively.

2-Methoxypentane

2-Ethoxybutane

Hexan-1-ol

Hexan-2-ol

COMEDK 2023 Evening Shift

MCQ (Single Correct Answer)

-0

Choose the incorrect statement.

$$\mathrm{m}$$ - Cresol is a weaker acid than Phenol.

Acidic nature of Phenol is due to -I effect of oxygen of the hydroxyl group.

Acetylation of Salicylic acid produces 2-Acetoxybenzoic acid.

Phenol on heating with Conc. $$\mathrm{H}_2 \mathrm{SO}_4$$ yields sulphanilic acid.

COMEDK 2023 Evening Shift

MCQ (Single Correct Answer)

-0

Choose the correct order of increasing acidic strength of the following compounds.

$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CCl}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CF}_3 \mathrm{CH}_2 \mathrm{OH} $$

$$ \mathrm{CF}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CCl}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} $$

$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CF}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CCl}_3 \mathrm{CH}_2 \mathrm{OH} $$

$$ \mathrm{CCl}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CF}_3 \mathrm{CH}_2 \mathrm{OH}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} $$

COMEDK 2022

MCQ (Single Correct Answer)

-0

The chemical formula of Lucas reagent is

Anhy. ZnCl$$_2$$/HCl

C$$_6$$H$$_5$$SO$$_2$$Cl

NaOH + CaO

HNO$$_2$$

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