1
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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:

A
A-I, B-IV, C-II, D-III
B
A-III, B-IV, C-I, D-II
C
A-II, B-III, C-I, D-IV
D
A-I, B-II, C-IV, D-III
2
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

JEE Main 2023 (Online) 12th April Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English

The two products formed in above reaction are -

A
Butanal and acetaldehyde
B
Butanoic acid and acetic acid
C
Butanal and acetic acid
D
Butanoic acid and acetaldehyde
3
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

LIST I
Type of Hydride
LIST II
Example
A. Electron deficient hydride I. $$\mathrm{MgH_2}$$
B. Electron rich hydride II. $$\mathrm{HF}$$
C. Electron precise hydride III. $$\mathrm{B_2H_6}$$
D. Saline hydride IV. $$\mathrm{CH_4}$$

Choose the correct answer from the options given below:

A
A-III, B-II, C-I, D-IV
B
A-II, B-III, C-I, D-IV
C
A-III, B-II, C-IV, D-I
D
A-II, B-III, C-IV, D-I
4
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The bond order and magnetic property of acetylide ion are same as that of

A
$$\mathrm{O}_{2}^{+}$$
B
$$\mathrm{O}_{2}^{-}$$
C
$$\mathrm{N}_{2}^{+}$$
D
$$\mathrm{NO}^{+}$$
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