The correct explanation for the lower atomic radius of Ga as compared to Al is -

1. Poor shielding effect of the 2d-electrons

2. Poor shielding effect of the 3d-electrons

3. Poor shielding effect of the 3p-electrons

4. Poor shielding effect of the 2s-electrons

Subtopic:  Boron Family- Preparations, 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 XIth & XIIth Physics, Chemistry & Biology

When hydrated alumina is treated with an aqueous NaOH solution, it gives-

1. NaAlO2

2. Na(Al2O3)

3. NaAl2O

4. Both (2) and (3)

Subtopic:  Boron Family- Preparations, 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 XIth & XIIth Physics, Chemistry & Biology

The incorrect statement among the following options is-

1.  Conc. HNO3 can be transported in an aluminium container.

2. Diamond is used as an abrasive.

3. A mixture of dilute NaOH and aluminium pieces is used to declog the drain.

4. Graphite can't be used as a lubricant.

Subtopic:  Boron Family- Preparations, Properties & Uses | Carbon Family - Preparations, 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 XIth & XIIth Physics, Chemistry & Biology

Aluminum trifluoride is insoluble in anhydrous HF but dissolves on addition of NaF because:

1. Hydrogen fluoride (HF) is a covalent compound and has very strong intermolecular hydrogen bonding.

2. Sodium fluoride (NaF) is an ionic compound and free F- is available.

3. Both (1) and (2) 

4. None of the above.

Subtopic:  Boron Family- Preparations, 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 XIth & XIIth Physics, Chemistry & Biology

The complex formed on reaction of Sodium hexafluoroaluminate(III) with BF3 is -

1. Na[BF4]

2. Na2[BF4]

3. Na[BF4]2

4. None of the above 

Subtopic:  Boron Family- Preparations, 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 XIth & XIIth Physics, Chemistry & Biology

Incorrect statement among the following options is -

1. Tl (+1) is more stable than Tl (+3).

2. For group 13, the stability of the +3 oxidation state decreases down the group.

3. Ge, Sn, and Pb show both the +2 and + 4 states.

4. None of the above.

Subtopic:  Boron Family- Preparations, Properties & Uses | Carbon Family - Preparations, 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 XIth & XIIth Physics, Chemistry & Biology