MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Chemical Reactivity (Group 1)

The pair of c...

Question

The pair of compounds which cannot exist together in solution is

A

NaHCO₃ and NaOH

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

B

NaHCO₃ and H₂O

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

C

NaHCO₃ and Na₂CO₃

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

D

Na₂CO₃ and NaOH

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

Open in App

Solution

The correct option is A
NaHCO₃ and NaOH

$N a H C O_{3}$ is an acidic salt which can react with $N a O H$ to give $N a_{2} C O_{3}$ . Hence they can't be found together.

Suggest Corrections

thumbs-up

7

Similar questions

Q. A mixture of

N a H C O_{3}

N a_{2} C O_{3}

weighed .0235 g. The dissolved mixture was reacted with excess of

8 a (O H)_{2}

2.1028 g B a C O_{3}

, by the following reactions:

N a_{2} C O_{3} + B a (O H)_{2} \to B a C O_{3} + 2 N a O H

N a H C O_{3} + B a (O H)_{2} \to B a C O_{3} + N a O H + H_{2} O

What was the percentage of

N a H C O_{3}

in the original mixture ?

Q. A 2 g sample containing

N a_{2} C O_{3}

N a H C O_{3}

loses 0.62 g when heated to

300^{o} C,

the temperature at which

N a H C O_{3}

N a_{2} C O_{3}, C O_{2}

H_{2} O .

What is the percentage of

N a_{2} C O_{3}

in the given mixture.

2.0

g sample containing

{N a}_{2} C O_{3}

N a H C O_{3}

0.248

g when heated to

300

^{o} C

, the temperature at which

N a H C O_{3}

{N a}_{2} C O_{3}, C O_{2}

H_{2} O

%

{N a}_{2} C O_{3}

in the mixture is (as the nearest integer):

Q. A sample contains a mixture of

N a H C O_{3}

N a_{2} C O_{3}

H C l

15.0

g of the sample yielding

11.0

N a C l

. What percent of the sample is

N a_{2} C O_{3}

?
Reactions are:

N a_{2} C O_{3} + 2 H C l \to 2 N a C l + C O_{2} + H_{2} O

N a H C O_{3} + H C l \to N a C l + C O_{2} + H_{2} O

Molecular weight of

N a C l

N a H C O_{3}

N a_{2} C O_{3}

58.5

84

106

g/mol respectively.

On passing $C O_{2}$ , through concentrated solution of $N a_{2} C O_{3}$ gives

$N a_{2} C O_{3} + H_{2} O + C O_{2} \to$ ___

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Group 1 - Chemical Properties

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Chemical Reactivity (Group 1)

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon