General Science - Chemistry
51. What is the reason for the increase in the electronegativity across a period from left to right?
52. In which of the following groups is Gold placed in the modern periodic table?
53. The Lanthanoids are part of which of the following block of elements in the periodic table?
54. Which of the following is true about a water molecule?
55. What is the reason for different molecular arrangements as per VSEPR theory?
56. In which of the following pairs is the repulsion greatest as per the VSEPR Theory?
57. What is the bond angle in case of Ammonia molecule?
58. Which of the following represents the bond order in Molecular orbital theory?
59. Which of the following molecules have an electrovalent bonding?
60. What is the bond order in O2 molecule?