1
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :
Statement I : Boron is extremely hard indicating its high lattice energy.
Statement II : Boron has highest melting and boiling point compared to its other group members.
In the light of the above statements, choose the most appropriate answer from the options given below :
2
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Match List I with List II
| LIST I Complex |
LIST II CFSE ($$\Delta_0$$) |
||
|---|---|---|---|
| A. | $$\mathrm{[Cu(NH_3)_6]^{2+}}$$ | I. | $$-0.6$$ |
| B. | $$\mathrm{[Ti(H_2O)_6]^{3+}}$$ | II. | $$-2.0$$ |
| C. | $$\mathrm{[Fe(CN)_6]^{3-}}$$ | III. | $$-1.2$$ |
| D. | $$\mathrm{[NiF_6]^{4-}}$$ | IV. | $$-0.4$$ |
Choose the correct answer from the options given below:
3
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
The two products formed in above reaction are -
4
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
The bond order and magnetic property of acetylide ion are same as that of
Paper analysis
Total Questions
Chemistry
22
Mathematics
21
Physics
25
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