d and f Block Elements · Chemistry · MHT CET
MCQ (Single Correct Answer)
Which from following elements belongs to inner transition elements?
Which actinoid from following in its +3 state has largest size?
What is the number of unpaired electrons in f orbitals of lutetium in its +3 oxidation state?
What is the value of spin only magnetic moment for $\mathrm{Cu}^{2+}$ in BM?
Which lanthanoid from following may exhibit +4 oxidation state with $f^0$ configuration?
Which cation from following exhibits no magnetic moment?
Which from following elements in respective oxidation state develops highest spin only magnetic moment?
Which element from following has smallest ionic size in +3 state?
Which lanthanoid from following has highest ionisation $\left(\mathrm{IE}_1\right)$ enthalpy?
Identify the lanthanoid that exhibits zero effective magnetic moment in +3 state.
Find the value of spin only magnetic moment for $\mathrm{Zn}^{2+}$ in BM.
Which element from following has largest ionic size in +3 state?
Identify the element having highest ionisation enthalpy ( $I E_1$ ) from following.
Which from following is used as catalyst in Fisher Tropsch process for the synthesis of gasoline?
Identify a weakest base from following
Which from following elements forms coloured compound in its respective oxidation state?
Which from following is the general formula of compound obtained when lanthanoid (Ln) reacts with carbon at elevated temperature?
Which from following is a soft metal?
If $\operatorname{Ln}$ represents lanthanoid element find the general formula of lanthanoid hydroxide.
Which from following lanthanoids exhibits +4 oxidation state in $\mathrm{F}^7$ configuration?
Which cation from following develops least magnetic moment?
Which from following is a lanthanoid element?
What is the number of unpaired electrons in Ti in +3 state?
Identify the element from following such that the last electron is placed in $(\mathrm{n}-1) \mathrm{d}$ orbital.
Which transition series includes elements Co and Mo respectively?
Which pair of metal ions from following have same number of unpaired electrons?
Identify an actinoid element from following.
Which from following elements has completely filled 4 f orbital at expected ground state configuration?
What is the general formula of lanthanoid hydroxide? (Consider Ln as any lanthanoid element)
Which among the following properties is NOT exhibited by transition elements?
Which among the following is ferromagnetic substance?
Which element from following is the last element of 5d-transition series?
Which element from following is NOT considered as transition element on the basis of electronic configuration?
Which element from following has lowest ionization enthalpy $\left(\mathrm{IE}_1\right)$ ?
Which element from following exhibits highest number of various different possible oxidation states?
Which element from following does NOT exhibit magnetic moment in +2 state?
Identify false statement about transition elements.
Identify rare earth element from following.
Which element from following has completely filled f-orbital in observed and expected electronic configuration?
Which element from following in +2 state exhibits highest magnetic moment?
What is the highest oxidation state of third row transition elements?
Which from following elements belongs to the actinoids?
What is the number of electrons present in d-subshell if its atomic number is 27 and oxidation state is +2 ?
Which from following properties of lanthanoids is NOT true?
Which element from following has half filled If orbital at observed ground state?
Identify ferromagnetic substance from following.
Which pair of elements from following has halt filled d-orbital in observed electronic configuration?
Identify the element having smallest ionic size in +3 state from following.
Which from following lanthanoids exhibits no effective magnetic moment in +3 state?
Which from following metal ions in their respective oxidation states forms coloured compound?
What is the number of electrons present in 3d orbital of Ti in +2 state?
Which from following is NOT a lanthonoid element?
Which from following catalysts is used in the Haber's process for manufacture of ammonia?
Which element from following exhibits lowest number of different oxidation states?
What is the total number of unpaired electrons in an element placed at period-4 and group-12 either in excited or at ground state?
Which among the following elements does NOT exhibit ferromagnetic properties?
Which from following elements is in liquid state at room temperature?
Find the number of unpaired electrons for copper in ground state configuration.
Identify the element having highest ionization enthalpy.
Which among the following cations produces colourless aqueous solution in their respective oxidation state?
What is the number of elements present in each series of transition element?
Which from following elements exhibits ferromagnetic properties?
Which element from the following possesses half-filled d-orbitals either in expected or in observed electronic configuration?
What is the numerical value of spin only magnetic moment of copper in +2 state?
Which element from following does NOT exhibit spin only magnetic moment in +3 state?
Which from following cations in their respective oxidation states develops colourless aqueous solution?
Oxidation state of manganese in potassium permanganate is:
Which of the following elements is doped with to obtain fibre amplifiers for optical fibre communication system?
Identify lanthanoid element from following.
What is the stock notation of Manganese dioxide?
Which from following statements regarding transition elements is NOT CORRECT?
Identify the element from following having six unpaired electrons in observed electronic configuration?
What are different possible oxidation states exhibited by scandium?
Find the value of spin only magnetic moment for chromium cation in +2 state.
Which among the following properties of lanthanoids is NOT true?
Identify the element with smallest ionic radius in +3 oxidation state from following.
Which among the following cations will not form coloured compounds? (Atomic number $$\mathrm{Cu}=29, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Mn}=25$$)
Which element from following in +3 oxidation state forms colourless compounds?
What is value of spin only magnetic moment of $$\mathrm{Ni}(\mathrm{Z}=28)$$ in +2 oxidation state?
Which of the following elements in their respective oxidation states does not develop spin only magnetic moment? [$$\mathrm{Ti}(\mathrm{Z}=22), \mathrm{Zn}(\mathrm{Z}=30), \mathrm{V}(\mathrm{Z}=23), \mathrm{Cu}(\mathrm{Z}=29)$$]
Identify ferromagnetic element from following.
Which element from following lanthanoids has half-filled $$\mathrm{f}$$- orbital in observed and expected electronic configuration?
Which element from following exhibits various different oxidation states from +2 to +7?
Which block elements from following are known as transition elements?
Which element among the following is ferromagnetic?
Which property from following is NOT exhibited by interstitial compounds?
What are the formulae of the compounds formed when lanthanoids (Ln) react with nitrogen and halogen respectively?
Which among following properties of lanthanoids is NOT true?
Which among the following elements has completely filled 4d-orbital?
Identify the correct statement about properties of interstitial compounds.
Identify the correct decreasing order of densities of $d$-block elements.
Which of the following actinoids exhibits only +3 oxidation state?
Which of the following elements belongs to first inner transition series?
Identify the element having highest enthalpyot atomisation from following.
Which among the following lanthanoids, shows only +3 oxidation state?
.What is the shape and magnetic nature of permanganate ion?
The highest oxidation state in plutonium (At. no. $=94$) is
When a mixture of manganese dioxide, potassium hydroxide and potassium chlorate is fused, the product obtained is
The ionic charges on chromate ion and dichromate ion respectively is