The addition of solid sodium carbonate to pure water causes - Vidyadip

MCQ

The addition of solid sodium carbonate to pure water causes

A
An increase in hydronium ion concentration
✓
An increase in alkalinity
C
No change in acidity
D
A decrease in hydroxide ion concentration

✓

Answer

Correct option: B.

An increase in alkalinity

(b)Adding $N{a_2}C{O_3}$ to water makes the solution basic and hence a $pH $ increases from $7. $

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following compounds does give $N_2$ on heating?

The most polar compound among the following is

The structure of di-chloromethane is

A solution of $CaC{l_2}$ is $0.5\,mol/litre$, then the moles of chloride ion in $500\,ml$ will be

Fluorine is more electronegative than either boron or phosphorus. What conclusion can be drawn from the fact that $B{F_3}$ has no dipole moment but $P{F_3}$ does

Assertion : Reimer-Tiemann reaction of phenol with $CCl_4$ in $NaOH$ at $340\, K$ gives salicylic acid as the major product.
Reason : The reaction occurs through intermediate formation of dichlorocarbene.

The increasing order of magnetism of

$(I)$ $MnSO_4.4H_2O$ $(II)$ $FeSO_4.7H_2O$

$(III)$ $NiSO_4.6H_2O$ $(IV)$ $CuSO_4.5H_2O$

The results given in the below table were obtained during kinetic studies of the following reaction:

$2 A + B \longrightarrow C + D$

Experiment	$[ A ] / molL ^{-1}$	$[ B ] / molL ^{-1}$	Initial $rate/molL$ $^{-1}$ $\min ^{-1}$
$I$	$0.1$	$0.1$	$6.00 \times 10^{-3}$
$II$	$0.1$	$0.2$	$2.40 \times 10^{-2}$
$III$	$0.2$	$0.1$	$1.20 \times 10^{-2}$
$IV$	$X$	$0.2$	$7.20 \times 10^{-2}$
$V$	$0.3$	$Y$	$2.88 \times 10^{-1}$

$X$ and $Y$ in the given table are respectively :

The formation of $PH_4^+$ is difficult compared to $NH_4^+$ because

In neutral atom, which particles are equivalent