Home
Class 12
CHEMISTRY
Chemistry of actinoids is complicated as...

Chemistry of actinoids is complicated as compared to lanthanoids. Give two reasons

Text Solution

Verified by Experts

Chemistry of actinoids is more complicated than lanthanoids because
(i) actinoids show greater number of oxidation states due to the comparable energies of 5f, 6d and 7s orbitals.
(ii) The actinoids are radioactive and the study of their chemistry in the laboratory is difficult.
Promotional Banner

Topper's Solved these Questions

  • THE d-AND f- BLOCK ELEMENTS

    MTG GUIDE|Exercise NEET CAFE (TOPICWISE PRACTICE QUESTIONS)|95 Videos

  • THE d-AND f- BLOCK ELEMENTS

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|10 Videos

  • SURFACE CHEMISTRY

    MTG GUIDE|Exercise AIMPT/NEET MCQS|11 Videos

  • THE p-BLOCK ELEMENTS (GROUP 15 TO 18)

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|14 Videos

Similar Questions

Explore conceptually related problems

Chemistry of actionoids is complicated as compared to lathanoids. Give reason

(a) How would you account for the following: (i) The chemistry of actinoids is more complicated as compared to lanthanoids. (ii) Transition metals form complex compounds. (b) Complete the following equation: 2MnO_4^(-) + 6H^(+) + 5SO_3^(2-) to

How will you account for the following : (a) (i) The chemistry of actnoids is more complicated as compared to lanthanoids . (ii) Transition metal from complex compounds. (b) Complete the following equations : 2MnO_(4)^(-)+6H^(+)+5SO_(3)^(2-) to

Assertion (A): Chemistry of Actinoids is more complicated than Lanthanoids Assertion (R): Actionid elements are radio active

Assertion:The chemistry of the early actinoids is more comlicated than the corresponding lanthanoids. Reason:Outer electronic configuration of actinoids is (n-2)f^(1-14)(n-1)d^(0-1)ns^(2) .

The chemistry of the early actinoids is more complicated than the corresponding lanthanoids

(a) When a chromite ore (A) is fused with an aqueous solution of sodium carbonate in free excess of air, a yellow solution of compound (B) is obtained. This solution is filtered and acidified with sulphuric acid to form compound (C). Compound (C) on treatment with solution of KCl gives orange crystals of compound (D). Write the chemical formulae of compounds A to D. (b) Describe the cause of the following variations with reSQPect to lanthanoids and actinoids: (i) Greater range of oxidation states of actinoids as compared to lanthanoids. (ii) Greater actinoid contraction as compared to lanthanoid contraction. (iii) Lower ionisation enthalpy of early actinoids as compared to the early lanthanoids.

Assertion (A) Actinoids form relatively less stable complexes as compared to lanthanoids. Reason (R ) Actinoids can utilise their 5f orbitals alongwith 6d orbitals in bonding but lanthanoids do not use their 4f orbital for bonding.