This chapter is currently out of syllabus
1
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Lithium aluminium hydride can be prepared from the reaction of :

A
$$\mathrm{LiCl}$$ and $$\mathrm{Al_2H_6}$$
B
$$\mathrm{LiH}$$ and $$\mathrm{Al}(\mathrm{OH})_{3}$$
C
$$\mathrm{LiH}$$ and $$\mathrm{Al}_{2} \mathrm{Cl}_{6}$$
D
$$\mathrm{LiCl}, \mathrm{Al}$$ and $$\mathrm{H}_{2}$$
2
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The alkaline earth metal sulphate(s) which are readily soluble in water is/are :

A. $$\mathrm{BeSO}_{4}$$

B. $$\mathrm{MgSO}_{4}$$

C. $$\mathrm{CaSO}_{4}$$

D. $$\mathrm{SrSO}_{4}$$

E. $$\mathrm{BaSO}_{4}$$

Choose the correct answer from the options given below :

A
A and B
B
B and C
C
B only
D
A only
3
JEE Main 2023 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The correct order of hydration enthalpies is

(A) K$$^+$$

(B) Rb$$^+$$

(C) Mg$$^{2+}$$

(D) Cs$$^+$$

(E) Ca$$^{2+}$$

Choose the correct answer from the options given below :

A
E > C > A > B > D
B
C > A > E > B > D
C
C > E > A > D > B
D
C > E > A > B > D
4
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which one among the following metals is the weakest reducing agent?

A
K
B
Na
C
Li
D
Rb
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