Scandium (Z = 21) is a transition element but zinc (Z = 30) is not because-

1.  Sc has 3d0 and Zn has 3d10 
2. Sc has 3d1 and Zn has 3d10 
3. Sc has 3d10 and Zn has 3d1  
4. None of the above

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The transition elements exhibit higher enthalpies of atomisation because-

1. It has stronger interatomic interaction
2. It has stronger hydrogen bonding
3. It has paired electrons
4. It has strong vanderwaal interaction

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The transition element that does not exhibit variable oxidation states is-

1. Mn
2. Cr
3. Sc
4. Fe
 

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

Assertion( A): Cr2+ acts as a reducing agent and Mn3+ acts as an oxidising agent when both have d4 configuration.

Reason: The maximum oxidation state Cr show is +5 and Mn shows is +7.


1. Both assertion and reason are true, and the reason is the correct explanation of the assertion.

2. Both assertion and reason are true, but the reason is not the correct explanation of the assertion.

3. Assertion is true but the reason is false.

4. Assertion is false but the reason is true.

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The correct sequence of decreasing oxidizing power of VO2+, MnO4 , Cr2O72–  is -
1. VO2+ > MnO4 > Cr2O72–
2. MnO4 > Cr2O72– > VO2+
3. MnO4 < Cr2O72– < VO2+ 
4.
Cr2O72– > VO2+MnO4

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The magnetic moment of a divalent ion (atomic number= 25) in aqueous solution is-

1. 4.34
2. 5.92
3. 6.12
4. 4.87
 

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The example of disproportation reaction among the following is-
1. 3\(MnO_{4}^{2-}\)+ 4 H+ → 2\(MnO_{4}^{-}\) + MnO2 + 2H2O
2. Na2Cr2O7 + 2 KCl → K2Cr2O7 + 2 NaCl
3. PCl5 + H2O → POCl3 +  2HCl
4. 2MnO2 + 4KOH + O2 → 2K2MnO4 + 2H2O

Subtopic:  d-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology

The well known element of lanthanoid series that exhibit +4 oxidation state, is-

1. Ac
2. Ce
3. Eu
4. Yb

Subtopic:  f-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for 11th Physics, Chemistry & Biology