Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Which of the following is not an ambidentate ligand?

A
$$ \mathrm{C}_2 \mathrm{O}_4^{2-} $$
B
SCN$$^-$$
C
NO$$_2^-$$
D
CN$$^-$$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

$$\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$$ and $$\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$$ structures have

A. Metal-Metal linkage

B. Terminal CO groups

C. Bridging CO groups

D. Metal in zero oxidation state

Choose the correct answer from the options given below

A
Only A, B, C
B
Only B, C, D
C
Only A, C, D
D
Only A, B, D
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

List I
(Complex)
List II
(Type of isomerism)
A. $$
\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{NO}_2\right)\right] \mathrm{Cl}_2
$$
I. Solvate isomerism
B. $$
\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{SO}_4\right)\right] \mathrm{Br}
$$
II. Linkage isomerism
C. $$
\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]\left[\mathrm{Cr}(\mathrm{CN})_6\right]
$$
III. Ionization isomerism
D. $$
\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3
$$
IV. Coordination isomerism

Choose the correct answer from the options given below:

A
A-II, B-III, C-IV, D-I
B
A-I, B-III, C-IV, D-II
C
A-I, B-IV, C-III, D-II
D
A-II, B-IV, C-III, D-I
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I: Both $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ and $$[\mathrm{CoF}_6]^{3-}$$ complexes are octahedral but differ in their magnetic behaviour.

Statement II: $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is diamagnetic whereas $$[\mathrm{CoF}_6]^{3-}$$ is paramagnetic.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true
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