Question:Are the statements true or false? Statement-1: Dihedral angle of H2O2 in gas is 90°.Statement-2: Dihedral angle of H2O2 in solid is... View Article
a. The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitudeb. The refractive indices of the dispersed... View Article
Question:In which of the following, resonance is not possible? a. 1, 2b. 2, 4c. 3, 4d. 1, 4Solution:Answer:(b)Condition for resonance:1. The... View Article
a. 1b. 0c. 2d. 3Solution:Answer:(b)31Ga - 1s2 2s22p63s23p63d104s24p131Ga+ - 1s2 2s22p63s23p63d104s2Since the last electron is in the 4s subshell... View Article
a. Znb. Nic. Cud. FeSolution:Answer:(a)The main impurities in Zn are generally cadmium, lead and iron. There is very little difference in the... View Article
a. Kb. Nac. Mgd. CaSolution:Answer:(a)From group 1 elements, K, Rb, Cs can form Superoxide (MO2). Na cannot form superoxide, it can form... View Article
a. 666.67 gb. 6.67 gc. 66.67 gd. 6666.67 gSolution:Answer:(a)Molar mass of glucose (C6H12O6) = 180 g/molMoles of glucose required per day =... View Article
Question:Three complexes [CoCl(NH3)5]2+ (I), [Co(NH3)5H2O}3+ (II) and [Co(NH3)6}3+ (III)absorb light in the visible region. The correct order of... View Article