MCQs on Compounds of Transitional Elements
MCQs on Compounds of Transitional Elements
- The 3d transition series contains elements having an atomic number from
- 21 to 30
- 21 to 31
- 22 to 30
- 21 to 29
Answer: (a)
- The first transition element is
- copper
- nickel
- scandium
- vanadium
Answer: (c)
- Transition metals are generally coloured because
- they absorb electromagnetic radiations
- their penultimate d-subshells are fully filled
- of d-d transition
- none of the above
Answer: (c)
- Atomic radii of d-block elements in a series
- decreases with increase in atomic number
- increases with increase in atomic number
- remains constant
- none of the above
Answer: (a)
- Formation of interstitial compounds makes the transition metals more
- soft
- ductile
- malleable
- none of the above
Answer: (d)
- Paramagnetism is common in
- s-block elements
- p-block elements
- d-block elements
- any of them
Answer: (c)
- Transition metals are complexes act as
- Lewis acid
- Lewis base
- Neutral
- none of the above
Answer: (a)
- Transition elements exhibit variable valency because they release electrons from
- ns orbitals
- np orbitals
- (n-1)d orbitals
- (n-1)d & ns orbitals
Answer: (c)
- The density of transition metals in a series
- decreases gradually
- increases gradually
- remains constant
- may increase or decrease
Answer: (b)
- In industrial processes, transition elements and their oxides are used as
- surfactants
- insecticides
- catalyst
- any of them
Answer: (c)
