Question

What will be the colour of litmus in a solution of sodium carbonate ?

Answer 1

hey ya,


We should first look at the nature of the compound. Its sodium carbonate, that is a salt formed from a strong base (that's Na OH - sodium hydroxide) and a weak mineral acid (that's carbonic acid). So we know that bases turn moist red litmus blue, similarly in this salt, the moist red litmus should turn red as the characteristic of the strong base part of this salt overpowers the weak acid part of it.



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Answer 2

HOPE THIS ANSWER WILL HELP YOU
if litmus paper is red in color, then sodium carbonate will turn it to blue... but if it is blue in color, then it will not change as base turns red litmus to blue but does not changes the color of blue litmus paper and sodium carbonate is a base...
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