Question

The $$C-O-H$$   bond angle in alcohols is slightly less than the tetrahedral angle whereas the $$C-O-C$$   bond angle in ether is slightly greater because

A. of repulsion between the two bulky $$R$$  groups.  
B. $$O$$ atom in both alcohols and ethers is $$s{p^3}$$ - hybridised.
C. lone pair - lone pair repulsion is greater than bond pair - bond pair repulsion.
D. None of these.
Answer :   of repulsion between the two bulky $$R$$  groups.

Releted MCQ Question on
Organic Chemistry >> Alcohol, Phenol and Ether

Releted Question 1

Ethyl alcohol is heated with conc $${H_2}S{O_4}$$  the product formed is

A. \[{{H}_{3}}C\underset{\begin{smallmatrix} \parallel \\ O \end{smallmatrix}}{\mathop{-C-}}\,O{{C}_{2}}{{H}_{5}}\]
B. $${C_2}{H_6}$$
C. $${C_2}{H_4}$$
D. $${C_2}{H_2}$$
Releted Question 2

The compound which reacts fastest with Lucas reagent at room temperature is

A. $${\text{butan - 1 - ol}}$$
B. $${\text{butan - 2 - ol}}$$
C. $${\text{2 - methylpropan - 1 - ol}}$$
D. $${\text{2 - methylpropan - 2 - ol}}$$
Releted Question 3

A compound that gives a positive iodoform test is

A. 1 - pentanol
B. 2 - pentanone
C. 3 - pentanone
D. pentanal
Releted Question 4

Diethyl ether on heating with conc. $$HI$$  gives two moles of $$H$$

A. ethanol
B. iodoform
C. ethyl iodide
D. methyl iodide

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Alcohol, Phenol and Ether


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