Which one of the following pairs have the same electronic configuration as possessed by Neon? A) K+Cl– B) Na+Cl– C) Na+Mg+ D) Na+F–
How many moles of sodium are present in 0.1g of sodium? A) 4.03 x 10-3 B) 4. 3 x 10-3 C) 4.03 x 10-2 D) 4.01 x 10-3
Which of the following is an example of copolymer? A) Polystyrene B) Nylon C) Polypropylene D) Polyvinyl chloride
Keeping in mind the electrode potential which one of the following reaction is feasible? A) Zn2+ + Cu → Cu2+ + Zn B) Zn + MgSO4 → ZnSO4 + Mg C) Fe + CuSO4 → FeSO4 + Cu D) Cd + MgSO4 → CdS4 + Mg
The electrode potential which one of the following reaction is feasible? A) Zn2+ + Cu → Cu2+ + Zn B) Zn + MgSO4 → ZnSO4 + Mg C) Fe + CuSO4 → FeSO4 + Cu D) Cd + MgSO4 → CdSO4 + Mg
Order of reactivity of alkenes with hydrogen halides is: A) HF > HBr > HI B) HI > HBr > HCl C) HI > HBr > HF D) HI > HF > HCl