(1) \( x_1 = y_1 \)
(2) \( \frac{x_1 + x_2}{2} = \frac{y_1 + y_2}{2} \)
(3) \( x_2 = y_2 \)
(4) \( (x_1 - x_2)^2 = (y_1 - y_2)^2 \)
The square of the average speed of the argon gas at 27 \(^\circ\)C is (in m\(^2\)s\(^{-2}\)?): (\( R = 8.314 \, {J K}^{-1}{mol}^{-1} \), Atomic weight of Ar = 40 u)
Identify the sets of species having the same bond order: (i) \( {F}_2, {O}_2^{2-} \) (ii) CO, NO\(^{+}\)(iii) \(N_2\), \(O_2\)(iv) \(H_2\), \(B_2\) The correct option is:
The number of \(\sigma\) bonds, \(\pi\)-bonds, and lone pairs of electrons present in the product Z in the given reaction sequence are respectively:
Identify the non-biodegradable wastes from the following:
[I.] Thermal power plants which produce fly ash
[II.] Wastes generated by cotton mills
[III.] Wastes produced by food processing units
[IV.] Slag produced from blast furnace
Identify the correct statements about group 14 elements: I. Sn in +2 state is a reducing agent and Pb in +4 state is a strong oxidising agent. II. Thermodynamically most stable allotrope of carbon is diamond. III. SiCl\(_4\) on hydrolysis gives silicic acid. IV. Sn has a higher melting point than Pb.
The hybridization of aluminum in the complexes X and Y respectively is:
Identify the correct statement from the following: UK 'copper' coins are Cu/Ni alloy. AgBr has special light-sensitive properties. Ti\(^{2+}\), V\(^{2+}\), Cr\(^{2+}\) are strong oxidising agents. The magnetic moment of V\(^{2+}\) is 2.84 BM.
The Tyndall effect is observed only when the following conditions are satisfied:
