MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Nucleophilic Addition at the Carbonyl

When chlorofo...

Question

When chloroform is treated with oxygen, it forms:

A

C O {C l}_{2} + H C l

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

C O {C l}_{2} + {C l}_{2} + H_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

C O {C l}_{2} + {C l}_{2} + H_{2} O

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

no product will be formed

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $C O {C l}_{2} + H C l$
When Chloroform is treated with oxygen it forms $C O C l_{2}$ and $H C l$ .
$2 C H C l_{3} + O_{2} l i g h t - - \to 2 C O C l_{2} (p h o s g e n e) + 2 H C l$ .

Chloroform is slowly oxidised by air in the presence of light to an extremely poisonous gas, carbonyl chloride, also known as phosgene. It is therefore stored in closed dark coloured bottle completely filled so that air is kept out.

Suggest Corrections

thumbs-up

0

Similar questions

500

ml capacity vessel

C O

C l_{2}

are mixed to form

C O C l_{2}

at equilibrium, it contains 0.2 moles of

C O C l_{2}

and 0.1 mole each of

C O

C l_{2}

. The equilibrium constant

K_{c}

C O + C l_{2} ⇋ C O C l_{2}

500 m L

capacity vessel

C O

{C l}_{2}

are mixed to form

C O {C l}_{2}

. At equilibrium, it contains

0.2

C O {C l}_{2}

0.1

mole of each of

C O

{C l}_{2}

. The equilibrium constant

K_{c}

C O + {C l}_{2} ⇌ C O {C l}_{2}

500

ml capacity vessel

C O

C l_{2}

are mixed to form

C O C l_{2}

at equilibrium, it contains

0.2

C O C l_{2}

0.1

C O

C l_{2}

. The equilibrium constant

K_{c}

C O + C l_{2} \Leftrightarrow C O C l_{2}

Q. For the formation of phosgene from

C O (g)

C O (g) + {C l}_{2} (g) ⟶ C O {C l}_{2} (g)

, the experimentally determined rate equation is,

\frac{d [C O {C l}_{2}]}{d t} = k [C O] {[{C l}_{2}]}^{3 / 2}

.
Is the following mechanism consistent with the rate equation?

(i)

{C l}_{2} ⇌ 2 C l

(i i)

C l + C O ⇌ C O C l

(i i i)

C O C l + {C l}_{2} ⇌ C O {C l}_{2} + C l

C H_{3} C H_{2} N H_{2}

is treated with excess of

C O C l_{2}

to get the compound [A].

C O C l_{2}

is then treated with excess of

C H_{3} C H_{2} N H_{2}

to get the compound [B]. [A] and [B] respectively are :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Nucleophilic Addition Revisited

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Nucleophilic Addition at the Carbonyl

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon