Which of the following compounds give a basic | vedclass

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(B) Hydrolysis of salts determines the nature of the resulting solution:$(1)$ $NH_4Cl$ is a salt of a weak base $(NH_4OH)$ and a strong acid $(HCl)$,r

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$2, 3$

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(B) Hydrolysis of salts determines the nature of the resulting solution:$(1)$ $NH_4Cl$ is a salt of a weak base $(NH_4OH)$ and a strong acid $(HCl)$,resulting in an acidic solution.$(2)$ $K_2CO_3$ is a salt of a strong base $(KOH)$ and a weak acid $(H_2CO_3)$,resulting in a basic solution.$(3)$ $Na_2B_4O_7 \cdot 10 H_2O$ (Borax) on hydrolysis gives $NaOH$ (strong base) and $H_3BO_3$ (weak acid),resulting in a basic solution.$(4)$ $NaCl$ is a salt of a strong base $(NaOH)$ and a strong acid $(HCl)$,resulting in a neutral solution.Therefore,compounds $(2)$ and $(3)$ yield a basic solution.

Which of the following compounds give a basic solution on hydrolysis?
$(1)$ $NH_4Cl$
$(2)$ $K_2CO_3$
$(3)$ $Na_2B_4O_7 \cdot 10 H_2O$
$(4)$ $NaCl$

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Which of the following compounds give a basic solution on hydrolysis?$(1)$ $NH_4Cl$$(2)$ $K_2CO_3$$(3)$ $Na_2B_4O_7 \cdot 10 H_2O$$(4)$ $NaCl$