Q.7 Electronic configuration of Manganese (Mn) is
A) Mn (Ar) C) Mn (Ar)
B) Mn (Ar) D) Mn (Ar)
Q.8 The percentage of carbon in different types of iron products is in the order of
A) Cast Iron > Wrought Iron > Steel C) Cast Iron > Steel > Wrought Iron
B) Wrought Iron > Steel > Cast Iron D) Cast Iron > Steel > Wrought Iron
B) Mn (Ar) D) Mn (Ar)
Q.8 The percentage of carbon in different types of iron products is in the order of
A) Cast Iron > Wrought Iron > Steel C) Cast Iron > Steel > Wrought Iron
B) Wrought Iron > Steel > Cast Iron D) Cast Iron > Steel > Wrought Iron
Q.9 [Ti(H2O)6]+3 transmits
A) Yellow and Red light C) Red and white light
B) Yellow and Blue light D) Red and blue light
Q.10 Electronic configuration of Gold [Au79] is
A) [Xe] 4f14, 5d10, 6s1 C) [Xe] 4f14, 5d9, 6s2
B) [Xe] 4f10, 5d10, 6s2 D) [Xe ]4f14, 5d10, 6s2
A) Yellow and Red light C) Red and white light
B) Yellow and Blue light D) Red and blue light
Q.10 Electronic configuration of Gold [Au79] is
A) [Xe] 4f14, 5d10, 6s1 C) [Xe] 4f14, 5d9, 6s2
B) [Xe] 4f10, 5d10, 6s2 D) [Xe ]4f14, 5d10, 6s2
Q.11 The anomalous electronic configuration shown by chromium and copper among 3-d series of elements is due to:
A) Colour of ions of these metals C) Stability associated with this configuration
B) Variable oxidation states of metals D) Complex formation tendency of metals
Q.12 Which element of 3d series of periodic table shows the electronic configuration of 3d6, 4s2?
A) Copper C) Zinc
B) Cobalt D) Nickel
A) Colour of ions of these metals C) Stability associated with this configuration
B) Variable oxidation states of metals D) Complex formation tendency of metals
Q.12 Which element of 3d series of periodic table shows the electronic configuration of 3d6, 4s2?
A) Copper C) Zinc
B) Cobalt D) Nickel