Inorganic Chemistry book 2:

1.     Which element does not belong to 4d series

a)     Y

b)    Zr

c)     Mo

d)    Zn

2.     The coinage metals Cu, Ag and Au belong to group

a)     IB

b)    IIB

c)     IIIB

d)    IVB

3.     Potassium hexacyanoferrate(II) has the formula

a)     K₄[Fe(CN)₆]

b)    K₃[Fe(CN)₆]

c)     K₂[Fe(CN)₆]

d)    K[Fe(CN)₆]

1.d

2.a

3.a