3C2H5OH-A- C2H5Br-H3PO3-Which of the following is A -

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Byju's Answer

Standard XII

Chemistry

The Aldol Addition

3C2H5OH+A→ C2...

Question

$3 C_{2} H_{5} O H + A \to C_{2} H_{5} B r + H_{3} P O_{3}$ .Which of the following is A ?

P B r_{3}

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P B r_{5}

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P O B r_{3}

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None of the above

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Solution

The correct option is A $P B r_{3}$
The reagent used in the above reaction is $P B r_{3}$
$3 C H_{3} - C H_{2} - O H + P B r_{3} \to 3 C_{2} H_{5} - C l + H_{3} P O_{3}$
Hence option A is correct.

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Similar questions

In the given reaction, identify the compound A.

3 C_{2} H_{5} O H + P B r_{3} \to A + H_{3} P O_{3}

Q. Which of the following is incorrect order of

X - P - X

bond angle?

Statement 1: 0.1 M $H_{3} P O_{3} (a q .)$ solution has normality equal to 0.3N when completely reacted with NaOH.
Statement 2 : $H_{3} P O_{3}$ is a dibasic acid.
Which of the above statement is correct?

Q. Which of the following reactions depict the nucleophilic substitution of

C_{2} H_{5} B r

Q. The compound A, B and C in the following reaction sequence are (in the order A, B, C):

C H_{3} - C H_{2} - O H P B r_{3} - -- \to (A) a l c . K O H - ----- \to (B) B r_{2} / C C l_{4} - ----- \to (C)

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3C2H5OH+A→C2H5Br+H3PO3.Which of the following is A ?

The correct option is A PBr3The reagent used in the above reaction is PBr33CH3−CH2−OH+PBr3→3C2H5−Cl+H3PO3Hence option A is correct.

$3 C_{2} H_{5} O H + A \to C_{2} H_{5} B r + H_{3} P O_{3}$ .Which of the following is A ?

The correct option is A $P B r_{3}$
The reagent used in the above reaction is $P B r_{3}$
$3 C H_{3} - C H_{2} - O H + P B r_{3} \to 3 C_{2} H_{5} - C l + H_{3} P O_{3}$
Hence option A is correct.