MCQ
The element with a atomic number $ 26$ is
- AA non-metal
- BKrypton
- ✓Iron
- DManganese
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$(K_f$ for water $= 1.86\, K \,kg\, mol^{-1},$ and molar mass of ethylene glycol $= 62\, g\, mol^{-1})$

$(i)$ Pyro silicate
$(ii)$ Cyclic silicate
$(iii)$ Double chain silicate
$(iv)$ Single chain silicate
$(v)$ $3D$ silicate
$(vi)$ Sheet silicate
