JEE Chemistry The D and F Block Elements MCQs Set C

    Question: a) (ii) and (iv) b) (i) and (iii) c) (i) and (ii) d) (iii) and (iv) Answer: (ii) and (iv)   Question: Which of the following lanthanoid element is steel hard in nature? a) Sm b) Eu c) Pm d) Ce Answer: Sm…

JEE Chemistry The D and F Block Elements MCQs Set B

    Question: Transition elements show magnetic moment due to spin and orbital motion of electrons. Which of the following metallic ions have almost same spin only magnetic moment? (i) Co2+       (ii) Cr2+ (iii) Mn2+ …

JEE Chemistry The D and F Block Elements MCQs Set A

    Question: The transition elements have a general electronic configuration a) b) c) d) Answer:   Question: Correct electronic configuration of Cr (Z = 24) is a) b) c) d) None of these Answer:…