322417 Consider the following alkyl halides
$\underset{\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I},}\underset{\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{C}\mathrm{l}},\underset{\mathrm{I}\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{B}\mathrm{r}},\underset{\mathrm{I}\mathrm{V}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{F}}$
(I) I, undergoes faster dehydrohalogenation than (II) and (IV).
(II) II, undergoes lower dehydrohalogenation than (I).
(III) IV, has least ability to undergo dehydrohalogenation.
Choose the correct option.

322418 When Ethyl chloride is reacted with alcoholic $\mathrm{KOH}$, ethylene is formed. This is an example of

322419 Reactivity order of halides for dehydrohalogenation is

322416 How many isomer of ${\mathrm{C}}_4{\mathrm{H}}_9\mathrm{Br}$ when reacts with ${\mathrm{NaNH}}_2$ diastereomers will form? (excluding stereoisomer)

322417 Consider the following alkyl halides
$\underset{\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I},}\underset{\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{C}\mathrm{l}},\underset{\mathrm{I}\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{B}\mathrm{r}},\underset{\mathrm{I}\mathrm{V}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{F}}$
(I) I, undergoes faster dehydrohalogenation than (II) and (IV).
(II) II, undergoes lower dehydrohalogenation than (I).
(III) IV, has least ability to undergo dehydrohalogenation.
Choose the correct option.

322418 When Ethyl chloride is reacted with alcoholic $\mathrm{KOH}$, ethylene is formed. This is an example of

322419 Reactivity order of halides for dehydrohalogenation is

322416 How many isomer of ${\mathrm{C}}_4{\mathrm{H}}_9\mathrm{Br}$ when reacts with ${\mathrm{NaNH}}_2$ diastereomers will form? (excluding stereoisomer)

322417 Consider the following alkyl halides
$\underset{\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I},}\underset{\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{C}\mathrm{l}},\underset{\mathrm{I}\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{B}\mathrm{r}},\underset{\mathrm{I}\mathrm{V}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{F}}$
(I) I, undergoes faster dehydrohalogenation than (II) and (IV).
(II) II, undergoes lower dehydrohalogenation than (I).
(III) IV, has least ability to undergo dehydrohalogenation.
Choose the correct option.

322418 When Ethyl chloride is reacted with alcoholic $\mathrm{KOH}$, ethylene is formed. This is an example of

322419 Reactivity order of halides for dehydrohalogenation is

322416 How many isomer of ${\mathrm{C}}_4{\mathrm{H}}_9\mathrm{Br}$ when reacts with ${\mathrm{NaNH}}_2$ diastereomers will form? (excluding stereoisomer)

322417 Consider the following alkyl halides
$\underset{\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I},}\underset{\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{C}\mathrm{l}},\underset{\mathrm{I}\mathrm{I}\mathrm{I}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{B}\mathrm{r}},\underset{\mathrm{I}\mathrm{V}}{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{F}}$
(I) I, undergoes faster dehydrohalogenation than (II) and (IV).
(II) II, undergoes lower dehydrohalogenation than (I).
(III) IV, has least ability to undergo dehydrohalogenation.
Choose the correct option.

322418 When Ethyl chloride is reacted with alcoholic $\mathrm{KOH}$, ethylene is formed. This is an example of

322419 Reactivity order of halides for dehydrohalogenation is