Millionaire Mode

Advanced Inorganic Chemistry

Question 1 of 21

Which of the following statements is incorrect?

  1. Iron is the most abundant transition metal.
  2. Copper is the best reducing agent among 3d series transition elements.
  3. Zr and Hf have the same atomic size.
  4. Ti4+ is colourless.
  5. Osmium is the densest transition element.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000