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JEE Mains Chemistry Solutions

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JEE Mains Chemistry Solutions. We covered all the JEE Mains Chemistry Solutions in this post for free so that you can practice well for the exam.

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JEE Mains Chemistry Solutions for Students

The stable oxidation state of actinides is :

(A) +4

(B) +3

(C) +5

(D) +6

Option b – +3

The symbol of the element californium is :

(A) Cm

(B) Cr

(C) Cf

(D) Cn

Option c – Cf

Which of the following is a major rivers in Bangladesh which is also the main distributary of the Ganges?

(A) Gandak

(B) Kosi

(C) Gomati

(D) Padma

Show Answer

The most characteristic oxidation state of lanthanides is :

(A) +2

(B) +3

(C) +4

(D) none of these

Option b – +3

Name the three lanthanides which show a +2 oxidation state also :

(A) Sm, Tb, Gd

(B) Sm, Eu, Yb

(C) La, Gd, Lu

(D) Yb, Pm, Sm

Option b – Sm, Eu, Yb

Which of the following is the leading producer of rice?

(A) Australia

(B) Argentina

(C) China

(D) Cuba

Show Answer

The elements from cerium (At. No. 58) to lutetium (At. No. 71) in which 4f energy levels are filled up are called :

(A) lanthanides

(B) rare earth

(C) lanthanones

(D) all the above

Option d – all the above

The actinides showing a +7 oxidation state are :

(A) U, Np

(B) Pu, Am

(C) Np, Pu

(D) None of these

Option c – Np, Pu

The maximum oxidation state shown by actinides is :

(A) +6

(B) +7

(C) +5

(D) +4

Option b – +7

Which of the following is a lanthanide :

(A) Ta

(B) Rh

(C) Th

(D) Gd

Option d – Gd

We covered all the jee mains chemistry solutions above in this post for free so that you can practice well for the exam.

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