Question

Question 11
11. Which of the following statements is incorrect about f-block elements?
(i) They generally have high melting points.
(ii) Most of the lanthanides are radioactive.
(iii) They form coloured complexes.
(iv) They all show variable oxidation states.
h
Max score: 1
(0)
(iv)
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Answer 1

Answer:

hii first be safe and stay at home OK friend be safe please

Answer 2

Answer:

Their compounds are generally coloured.v. ... Most of the elements of the actinide series are radioactive. ... ii. The have generally high M.P. & B.P.. iii. They show variable oxidation ...

so answer is 2.