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Which one is the most reactive toward $S_N1$ reaction?
Which of the following species contains three bond pairs and one lone pair around the central atom?
The correct order of C-O bond length among CO, $CO_3^{2-}$, and $CO_2$ is:
The value of $E^{\circ}_{cell}$ for the following reaction is: $Cu^{2+} + Sn^{2+} \rightarrow Cu + Sn^{4+}$ (Given, equilibrium constant is $10^6$)
The three cells with their $E^{\circ}_{cell}$ values are given below: 1. $Fe|Fe^{2+}||Fe^{3+}|Fe \ ; \ 0.404\text{ V}$ 2. $Fe|Fe^{2+}||Fe^{3+}, Fe^{2+}|Pt \ ; \ 1.211\text{ V}$ 3. $Fe|Fe^{3+}||Fe^{3+}, Fe^{2+}|Pt \ ; \ 0.807\text{ V}$ The standard Gibbs free energy change values for three cells are, respectively: (F represents the charge on $1\text{ mole}$ of electrons.)
The compound that forms a linear polymer due to hydrogen bonding is:
The correct shape and hybridisation for $\text{XeF}_4$ are:
In which of the following compounds is an intramolecular hydrogen bond present?
Which one of the following molecules contain no $\pi$ -bond?
$H_{2}O$ is dipolar, whereas $BeF_{2}$ is not. It is because:
Conversion of milk to curd improves its nutritional value by increasing the amount of
Which one of the following is the correct order of decreasing bond enthalpies for the given species?
A molecule having the maximum dipole moment among the following is -
The incorrect statement among the following for sigma- ($\sigma$) and pi- ($\pi$) bonds formed between two carbon atoms is:
The correct order of solubility in an aqueous medium is:
In the hydrocarbon $\overset{6}{C}H_3-\overset{5}{C}H=\overset{4}{C}H-\overset{3}{C}H_2-\overset{2}{C}\equiv\overset{1}{C}H$, the state of hybridisation of carbons 1, 3 and 5 are in the following sequence:
What is the correct order of ionic mobility of the following ions in an aqueous solution?
In which of the following pairs of molecules/ions, the central atoms have $sp^2$ hybridisation?
The activation energy of a reaction can be determined from the slope of the graph between:
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