Fill in the blanks:
$(1)$ $H_2O_2$ acts as an antiseptic, then it is known as ......... in the market.
$(2)$ Cation exchange resin is a ......... group containing organic molecule.
$(3)$ The ionic radius of $H^+$ ions and that of other ions is ......... $pm$ and ......... $pm$ respectively.
$(4)$ ......... group elements give salt-like hydrides.
$(1)$ $H_2O_2$ acts as an antiseptic, then it is known as ......... in the market.
$(2)$ Cation exchange resin is a ......... group containing organic molecule.
$(3)$ The ionic radius of $H^+$ ions and that of other ions is ......... $pm$ and ......... $pm$ respectively.
$(4)$ ......... group elements give salt-like hydrides.
(N/A) $(i)$ Perhydrol
$(ii)$ $-SO_3H$ (Sulphonic acid)
$(iii)$ $1.5 \times 10^{-3} \ pm, 50-200 \ pm$
$(iv)$ Alkali metals (Group $1$) and Alkaline earth metals (Group $2$)
$(ii)$ $-SO_3H$ (Sulphonic acid)
$(iii)$ $1.5 \times 10^{-3} \ pm, 50-200 \ pm$
$(iv)$ Alkali metals (Group $1$) and Alkaline earth metals (Group $2$)
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