MCQ
Which salt will give basic solution on hydrolysis
- ✓$KCN$
- B$KCl$
- C$N{H_4}Cl$
- D$C{H_3}COON{H_4}$
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$ArN _{2} Cl \overset{Cu / HCl}{\rightarrow} ArCl + N _{2}$ is known as
Given : $\log 2=0.3010$
$\log 3=0.4771$
$\log 5=0.6989$
