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Which of the following is insoluble in water
$ Al_2(CO_3)_3 is less soluble in water than Na_2CO_3, ZnCO_3 $
In which of the following the inert pair effect is most prominent
inert pair effect is most prominent in Pb because from top to bottom due to increase in number of shells.
Plumbosoluancy implies dissolution of lead in
Plumbosolvency refers to the dissolution of lead in water. It is a significant concern in water supply systems as lead can leach into drinking water from lead pipes or lead-containing fixtures.
Which of the following glass is used to make lenses and prisms
Flint glass, which is a type of optical glass, is commonly used to make lenses and prisms due to its high refractive index and low dispersion properties. This makes it suitable for focusing light more effectively in optical instruments.
$ N_2 $ gas is absorbed by
White lead is
White lead $ \rightarrow 2PbCO_3. Pb(OH)_2 $ .
Red lead is
$ Pb_3O_4 \Rightarrow Red Lead (Sindhur) $
A metal used in storage batteries is
Pb
Solder is an alloys of
In carbon family stability +2 oxidation state increases on moving down the group in the periodic table with an increase in atomic number due to screening effect.
Which of the following statement is correct with respect ot the property of elements in the carbon Family with an increase in atomic number their.
In the carbon family (Group 14 elements), as the atomic number increases, the stability of the +2 oxidation state increases. This is due to the inert pair effect, where the s-electrons become more reluctant to participate in bonding as we move down the group.
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