The valency factor of Na2CO3 in the given reaction is BaseNa2CO3 - AcidHCl- NaHCO3 - NaCl

In case of acid base reaction, the valency factor is the actual number of H^+ or OH^ nbsp; replaced in the reaction. nbsp;BaseNa_2CO_3 + AcidHCl→ NaHCO_3 ...

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Standard XII

Chemistry

Oxides of Sulphur

The valency f...

Question

The valency factor of $N a_{2} C O_{3}$ in the given reaction is $N a_{2} C O_{3} B a s e + H C l A c i d \to N a H C O_{3} + N a C l$

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None of the above

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Solution

The correct option is B 1
In case of acid-base reaction, the valency factor is the actual number of $H^{+}$ or $O H^{-}$ replaced in the reaction. $N a_{2} C O_{3} B a s e + H C l A c i d \to N a H C O_{3} + N a C l$
Above given reaction is a acid-base reaction therefore valency factor for $N a_{2} C O_{3}$ is one while in non reaction condition it will be two.

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Similar questions

Q. A sample contains a mixture of

N a H C O_{3}

and

N a_{2} C O_{3}

H C l

is added to

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}

and

N a_{2} C O_{3}

58.5

84

and

106

g/mol respectively.

Q. Assertion :For the reaction,

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

, the suitable indicator is phenolphthalein. Reason: Phenolphthalein provides its colour in acidic medium.

Na2CO3+Hcl,_______≥NaCL+NaHCO3. Na2CO3+HcL________≥NaCL+H2o+CO2 why is it written like that ,is this equation both write?

Q. Pick the correct option based on the data given below.

\begin{matrix} 20 ml (1M) 30 ml (1M) H C l + N a O H ⟶ N a C l (P) + H_{2} O & (1) N=1/5 N a_{2} C O_{3} (Q) + H C l ⟶ N a C l (R) + H_{2} O & (2) M=2/5 N a H C O_{3} (S) + H C l ⟶ N a C l + H_{2} O + C O_{2} & (3) N=3/5 (4) NA \end{matrix}

In the following series of reactions

$N a C l + A \to B + H C l$ , $B + c o k e \to N a_{2} S + C O$

$N a_{2} S + C \to N a_{2} C O_{3} + C a S A$ , $B$ and $C$ are respectively

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Oxides of Sulphur

Standard XII Chemistry

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The valency factor of Na2CO3 in the given reaction is Na2CO3Base+HClAcid→NaHCO3+NaCl

The valency factor of $N a_{2} C O_{3}$ in the given reaction is $N a_{2} C O_{3} B a s e + H C l A c i d \to N a H C O_{3} + N a C l$