NEET Chemistry MCQs

Titanox

Lithopone

White pigment

None of these

Cr

Ti

Fe

Co

Iron readily forms covalent bonds

The electronic configuration of Fe²⁺ is [Ar]3d⁶

The electronic configuration of Fe³⁺ is [Ar]3d⁵

Iron doesn't readily form the +1 oxidation state

KI solution

KCl solution

${{\rm{K}}_2}{\rm{C}}{{\rm{O}}_3}$ solution

${{\rm{K}}_2}{\rm{S}}{{\rm{O}}_4}$ solution

$1.5\%$

$2.5\%$

$10\%$

Zero percent

${\rm{Cr}}{{\rm{O}}_3}$

${\rm{C}}{{\rm{r}}_2}{\left( {{\rm{S}}{{\rm{O}}_4}} \right)_3}$

${\rm{C}}{{\rm{r}}_2}{{\rm{O}}_3}$

${\rm{Cr}}{{\rm{O}}_4}{\rm{C}}{{\rm{l}}_2}$

Ferro-ferricyanide

Ferri – ferrocyanide

Ferri-ferricyanide

None of these

Soft and malleable

Hard and brittle

Tough and ductile

Fibrous

${\rm{Na}}\left[ {{\rm{AuCl}}} \right]$

${\rm{Na}}\left[ {{\rm{AuC}}{{\rm{l}}_2}} \right]$

${\rm{Na}}\left[ {{\rm{AuC}}{{\rm{l}}_3}} \right]$

${\rm{Na}}\left[ {{\rm{AuC}}{{\rm{l}}_4}} \right]$

$p$-block elements

$s$-block elements

$d$-block elements

None of the above