List of top Questions asked in Bihar Board Class XII

Which of the following is not a colligative property?
An aqueous solution of which of the following compounds shows abnormal osmotic pressure?
The solution which shows positive or negative deviation from Raoult's law is called
Isotonic solutions have equal
The structure of complex ion [Ni(CN)$_4$]$^{2-}$ is
The IUPAC name of complex compound [Co(NH$_3$)$_6$]Cl$_3$ is
The hybridization of S in SO$_3$ is
The maximum covalency of nitrogen is
The number of unpaired electrons in one molecule of liquid oxygen is
The most abundant noble gas in atmosphere is
The electromotive force of the following cell is Zn$|$Zn$^{2+}$ (1M) $||$ Fe$^{2+}$ (1M) $|$Fe E$^0$ Zn$^{2+}$|Zn = -0.76 V, E$^0$ Fe$^{2+}$|Fe = -0.44 V
The unit of specific conductance is
Which among the following aqueous solutions has the highest boiling point?
Which of the following is the electronic configuration of Lanthanide elements?
Which of the following compounds can be coloured?
The oxidation state of Fe in K$_4$[Fe(CN)$_6$] is
The effective atomic number (E.A.N.) of cobalt in the complex ion [Co(en)$_2$Cl$_2$]$^+$ is
Which of the following is the structural formula of hypophosphorous acid?
Ammonia can be dried by
Which among the following is the strongest base?
Lutetium (Lu) is
Elements of which atomic numbers belong to 3d transition series?
The process of purification of metal represented by the following equation is called \[ \text{Ti} + \text{I}_2 \xrightarrow{773\,K} \text{TiI}_4 \xrightarrow{1675\,K} \text{Ti} + \text{I}_2 \]
Which of the following metals is not obtained by electrolysis?
Which of the following oxides is paramagnetic?