Select Chapter Topics:
Q. No.
From the following, which is the most basic hydroxide?
1. Ce(OH)3
2. Lu(OH)3
3. Yb(OH)3
4. Tb(OH)3
Subtopic: f-Block Elements- Properties & Uses |
61%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The reason for lanthanoid contraction is:
1. Negligible screening effect of 'f' orbitals
2. Increasing nuclear charge
3. Decreasing nuclear charge
4. Decreasing screening effect
Subtopic: Lanthanoid & Actinoids Contraction |
73%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Actinide contraction is
mainly related to:
1. Poor shielding by 5f subshell
2. Extraordinary decrement in Zeff
3. Both (1) and (2)
4. Strong shielding by 5f subshel
Subtopic: Lanthanoid & Actinoids Contraction |
62%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The ionization potential values of d-block elements as compared to the ionization potential values of f-block elements are:
| 1. | Higher | 2. | Equal |
| 3. | Lower | 4. | Can't compare. |
Subtopic: d-Block Elements- Properties & Uses |
67%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: d-Block Elements- Properties & Uses | Chemistry of Mn and Cr Compounds |
73%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The electronic configurations of Eu (Atomic no. 63), Gd (Atomic no. 64), and Tb (Atomic no. 65) are, respectively:
1. [Xe] 4f6 5d1 6s2, [Xe]4f7 5d1 6s2, and [Xe] 4f9 6s2
2. [Xe] 4f6 5d1 6s2, [Xe] 4f75d1 6s2, and [Xe]4f8 5d1 6s2
3. [Xe] 4f7 6s2, [Xe]4f7 5d1 6s2, and [Xe] 4f9 6s2
4. [Xe] 4f7 6s2, (Xe]4f8 6s2, and [Xe]4f8 5d1 6s2
Subtopic: f-Block Elements- Properties & Uses |
67%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Which of the following statements is false?
| 1. | On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed. |
| 2. | Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis. |
| 3. | K2Cr2O7 solution in an acidic medium is orange. |
| 4. | K2Cr2O7 solution becomes yellow in increasing the pH beyond 7 |
Subtopic: d-Block Elements- Properties & Uses |
69%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: f-Block Elements- Properties & Uses |
86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Which of the following statements is false?
| 1. | V2+ < Cr2+ < Mn2+ < Fe2+ : Paramagnetic behaviour |
| 2. | Ni2+ < Co2+ < Fe2+ < Mn2+ : Ionic size |
| 3. | Co3+ < Fe3+ < Cr3+ < Sc3+ : Stability in aqueous solution |
| 4. | Sc < Ti < Cr < Mn : Number of oxidation states |
Subtopic: d-Block Elements- Properties & Uses |
66%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: d-Block Elements- Properties & Uses |
89%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.