H3BO3 is -

1. A Monobasic acid and a weak Lewis acid.

2. A Monobasic and a weak Bronsted acid..

3. A Monobasic and a strong Lewis acid.

4. A Tribasic and a weak Bronsted acid.

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 76%
From NCERT
Please attempt this question first.
Hints
Links
Please attempt this question first.

The most characteristic oxidation state for lead and tin is, respectively,:

1. +4, +2

2. +2, +4

3. +4, +4

4. +2, +2

Subtopic:  Properties of Glass, Pb & Sn compounds |
 75%
From NCERT
AIPMT - 2007
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

An anion present in the chain structure silicate is -

1. Si2O76-

2. (Si2O52-)n

3. (SiO32-)n

4. SiO44-

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
From NCERT
AIPMT - 2007
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


\(\mathrm{Al}_2 \mathrm{O}_3\) reacts with-

1. Only water 2. Only acids
3. Only alkalis 4. Both acids and alkalis
Subtopic:  Boron Family- Preparations, Properties & Uses |
 89%
From NCERT
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

B2H6 can't be prepared by -

1. NaBH4  + I2 

2. BF3  + NaH 

3. B3N3H6  + H2O 

4. Mg3B2 + dil HCl

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
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

An anion that cannot be formed by Boron is -

1. BF63-

2. BH4-

3. B(OH)4-

4. BO2-

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 79%
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

When silicon is boiled with caustic soda solution, the gas is evolved is-

1. O2

2. SiH4

3. H2

4. None of the above

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 70%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The basic structural unit of silicates is-

1. \( \mathrm{SiO}_4{}^{4-}\) 2. \(\left(\mathrm{SiO}_3\right)^{2-} \)
3. \(\mathrm{SiO}_4{ }^{2-} \) 4. \(\mathrm{SiO}^{-}\)
Subtopic:  Carbon Family - Preparations, Properties & Uses |
 79%
From NCERT
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

A compound among the following that is not a monomer for a high molecular mass silicone polymer is-

1. Me3SiCl

2. PhSiCl3

3. MeSiCl3

4. Me2SiCl2

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 61%
From NCERT
Please attempt this question first.
Hints
Links
Please attempt this question first.

White fumes appear around the bottle of anhydrous AlCl3. This is due to -

1. Formation of Al(OH)3

2. Dimerisation of AlCl3

3. Hydrolysis of AlCl3 gives HCl gas

4. Adsorption of moisture 

Subtopic:  Boron Family- Preparations, Properties & Uses |
 75%
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