Be²⁺ is isoelectronic with which of the following ions?
Be²⁺ is isoelectronic with which of the following ions? Options (a) H⁺ (b) Li⁺ (c) Na⁺ (d) Mg²⁺ Correct Answer:…
8 years ago
Questions
Artificial sweetner which is stable under cold conditions only is
Artificial sweetner which is stable under cold conditions only is Options (a) saccharine (b) sucralose (c) aspartame (d) alitame Correct…
8 years ago
Among the following sets of reactants which one produces anisole
Among the following sets of reactants which one produces anisole Options (a) CH₃CHO ; RMgX (b) C₆H₅OH ; NaOH ;…
8 years ago
Among the following complexes the one which shows zero crystal field
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is Options (a) [Mn(H₂O)₆]³⁺ (b) [Fe(H₂O)₆]³⁺…
8 years ago
Acidity of diprotic acids in aqueous solutions increases in the order
Acidity of diprotic acids in aqueous solutions increases in the order Options (a) H₂S < H₂Se < H₂Te (b) H₂Se…
8 years ago
1.0g of magnesium is burnt with 0.56 g O₂ in a closed vessel
1.0 g of magnesium is burnt with 0.56 g O₂ in a closed vessel.Which reactant is left in excess and…
8 years ago
Role of hydrogen peroxide in the above reactions is respectively
(I) H₂O₂ + O₃ → H₂O + 2O₂ (II) H₂O₂ + Ag₂O → 2Ag + H₂O + O₂ Role of…
8 years ago
The input signal given to a CE amplifier having a voltage gain of 150 is
The input signal given to a CE amplifier having a voltage gain of 150 is Vi=2 cos (15t+π/3). The corresponding…
8 years ago
Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
Two slits in Young's experiment have widths in the ratio 1:25. The ratio of intensity at the maxima and minima…
8 years ago
A series R-C circuit is connected to an alternating voltage source. Consider two
A series R-C circuit is connected to an alternating voltage source. Consider two situations: (A) When capacitor is air filled…
8 years ago