CameraIcon

SearchIcon

MyQuestionIcon

273

You visited us 273 times! Enjoying our articles? Unlock Full Access!

Properties and Uses of Calcium Oxide

On strong hea...

Question

On strong heating of $C a O$ and $C$ .The product formed is/are:

A

C a

and

C O

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

B

C a C_{2}

and

C O

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

C

C a (O H)_{2}

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

D

C a C_{2}

and

C O_{2}

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

Open in App

Solution

The correct option is A $C a C_{2}$ and $C O$
Option $(B)$ is correct.
On strong heating of $C a O$ and $C$ , calcium carbide and carbonmonoxide is formed.
$C a O + C \to C a C_{2} + C O$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Calcium carbide is made in an electric-furnace by the reaction given below:

C a O + 3 C ⟶ C a C_{2} + C O

The crude product is usually

85 %

C a C_{2}

15 %

C a O

C a C_{2}

would this crude product contain?

[Given atomic mass of

C a = 40

C = 12

O = 16

Q. How much heat will be required to make

2 k g

of calcium carbide

(C a C_{2})

according to the following reaction?

C a O (s) + 3 C (s) \to C a C_{2} + C O (g)

The heats of formation of

C a O (s), C a C_{2} (s)

C O (g)

- 151.6, - 14.2, - 26.4 k c a l

Q. What is the amount of heat to be supplied to prepare

128 g

C a C_{2}

C a C O_{3}

and followed by reaction with carbon. Reactions are:

C a C O_{3} (s) \to C a O (s) + C O_{2} (g); △ H^{o} = 42 .8 kcal

C a O (s) + 3 C (s) \to C a C_{2} (s) + C O (g); △ H^{o} = 111 kcal

Q. Calcium carbide is made in an electric furnace by the reaction:

C a O + 3 C ⟶ C a C_{2} + C O

The crude product is usually

85 %

C a C_{2}

15 %

C a O

.
(a)The amount of

C a O

with which we should start to produce

450

kg of crude product is

x

kg.
(b) Amount of

C a C_{2}

which this crude product will contain is

y

kg.
The value of

x + y

in a nearest integer is :

Q. Calcium carbide is made in an electric-furnace by the following reaction :

C a O + 3 C ⟶ C a C O_{2} + C O

The crude product is usually

85 %

C a C_{2}

15 %

C a O

C a O

should we start with to produce

450

kg of crude product?
(Given that molecular weight of

C a = 40, C = 12, O = 16

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Calcium Oxide

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Properties and Uses of Calcium Oxide

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon