Identify -Z- in the following sequence of reactions Ethanol PBr 3- X alc-KOH - Y i conc- H 2 SO 4- ii H 2 O - ZA- CH 2- CH 2B- CH 3 CH 2 OHC- CH 3 CH 2- O - CH 2 CH 3D- CH 3 CH 2- OSO 3 H

The correct option is B CH_3CH_2OH3C_2H_5OH + PBr_3 → 3C_2H_5Br + H_3PO_3 (X) C_2H_5Br + KOHalc. → C_2H_4 (Y) C_2H_4 + HHSO_4 → C_2H_5 HSO_4 C_2H_5OH ...

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Byju's Answer

Standard XII

Chemistry

Chemical Properties of Alcohol

Identify 'Z' ...

Question

Identify ‘Z’ in the following sequence of reactions $E t h a n o l P B r_{3} - -- \to X a l c . K O H - ---- \to Y i) c o n c . H_{2} S O_{4} - ------- \to i i) H_{2} O Δ Z$

C H_{2} = C H_{2}

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C H_{3} C H_{2} O H

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C H_{3} C H_{2} - O - C H_{2} C H_{3}

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C H_{3} C H_{2} - O S O_{3} H

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Solution

The correct option is B $C H_{3} C H_{2} O H$
$3 C_{2} H_{5} O H + P B r_{3} \to 3 C_{2} H_{5} B r + H_{3} P O_{3}$
$(X)$
$C_{2} H_{5} B r + K O H a l c . \to C_{2} H_{4}$
$(Y)$
$C_{2} H_{4} + H H S O_{4} \to C_{2} H_{5} - H S O_{4} H_{2} O - - \to C_{2} H_{5} O H$

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Similar questions

Identify 'Z' in the following sequence of reactions of ethanol

$P B_{r_{s}} - -- \to X a l c . K O H - ---- \to Y i) c o n c . H_{2} S O_{4} - ------- \to i i) H_{2} O, Δ Z$

C H_{3} C H_{2} - O H A \to C H_{3} - C H_{2} - C l B \to C H_{2} = C H_{2} .

A and B in this sequence of reactions are :

Q. In the following sequence of reactions,

Z P C l_{5} - -- \to X Alc. KOH - ----- \to Y (i) conc. H_{2} S O_{4} - -------- \to (i i) H_{2} O, boil Z

Z

is:

Q. Find the product of:

C H_{3} C H_{2} - O - C H_{2} - C H_{2} - O - C H_{2} - C_{6} H_{5} + H I (e x c e s s) \to ?

Q. Arrange the following in correct order of nucleophilicity.

(I)

C H_{3} - O - C H_{2} - O^{⊖}

(II)

P h - C H_{2} - O^{⊖}

(III)

C H_{3} - O^{⊖}

(IV)

C H_{3} C H_{2} - O^{⊖}

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Identify ‘Z’ in the following sequence of reactions EthanolPBr3−−−→Xalc.KOH−−−−−→Yi)conc.H2SO4−−−−−−−−→ii)H2OΔZ

The correct option is B CH3CH2OH3C2H5OH+PBr3→3C2H5Br+H3PO3 (X) C2H5Br+KOHalc.→C2H4 (Y) C2H4+HHSO4→C2H5−HSO4H2O−−→C2H5OH

Identify ‘Z’ in the following sequence of reactions $E t h a n o l P B r_{3} - -- \to X a l c . K O H - ---- \to Y i) c o n c . H_{2} S O_{4} - ------- \to i i) H_{2} O Δ Z$

The correct option is B $C H_{3} C H_{2} O H$
$3 C_{2} H_{5} O H + P B r_{3} \to 3 C_{2} H_{5} B r + H_{3} P O_{3}$
$(X)$
$C_{2} H_{5} B r + K O H a l c . \to C_{2} H_{4}$
$(Y)$
$C_{2} H_{4} + H H S O_{4} \to C_{2} H_{5} - H S O_{4} H_{2} O - - \to C_{2} H_{5} O H$