Assertion (A): Actinoid contraction is greater from element to element than lanthanoid contraction. Reason (R): Actinoids show wide range of oxidation states.
Assertion (A): Actinoid contraction is greater from element to element than lanthanoid contraction.Reason (R): Actinoids show wide range of oxidation ...
Read morealpa -D-glucose and ẞ-D-glucose differ from each other with respect to the:
alpa -D-glucose and ẞ-D-glucose differ from each other with respect to the:(A) size of the hemiacetal ring(B) configuration at the ...
Read moreIn the Arrhenius equation k = Ae En/RT, ‘A’ represents :
In the Arrhenius equation k = Ae En/RT, ‘A’ represents :(A) effective collisions(B) frequency factor(C) fraction of collisions(D) threshold energy ...
Read moreThe primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:
The primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:(A) 3,3(B) 0,3(C) 6,3(D) 3,6 Correct Answer : Option (D) ...
Read moreWe cannot measure the resistance of an ionic solution using DC because:
We cannot measure the resistance of an ionic solution using DC because:(A) it changes the composition of the solution.(B) it ...
Read moreThe strongest base in aqueous solution among the following amines is:
The strongest base in aqueous solution among the following amines is:(A) (C2H5)2NH(B) (C2H5)3N(C) C2H5NH2 (D) C6H5NH2 Correct Answer : Option ...
Read moreThe reagent that can be used to convert benzenediazonium chloride of benzonitrile is:
The reagent that can be used to convert benzenediazonium chloride of benzonitrile is:(A) Cu/HCI(C) CuCN(B) CH3CN(D) AgCN Correct Answer : ...
Read moreWhich of the following complexes show linkage isomerism?
Which of the following complexes show linkage isomerism?(A) [Co(NH3)5CI]2+(B) [Co(NH3)4Cl2]Br2(C) [Co(H2O)6]3+(D) [Co(NH3)5(ONO)]+2 Correct Answer : Option (D) [Co(NH3)5(ONO)]+2 Read More ...
Read moreWhich reagents are required for one step conversion of Chlorobenzene to Diphenyl?
Which reagents are required for one step conversion of Chlorobenzene to Diphenyl?(A) Chlorobenzene, Na, Dry ether(B) Benzene, Anhydrous AlCl3(C) Chlorobenzene/Fe, ...
Read more