BCl has higher stability than TlCl3, because -

1. The +2 oxidation state of Tl is more stable than the +2 oxidation state of B
2. The +2 oxidation state of B is more stable than the +2 oxidation state of Tl
3. The +3 oxidation state of B is more stable than the +3 oxidation state of Tl
4. The +3 oxidation state of Tl is more stable than the +3 oxidation state of B

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 85%
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

Boron trifluoride behaves as a Lewis acid because -

1. Boron trifluoride is electron-rich.

2. Boron trifluoride is electron-deficient.

3. Boron trifluoride is highly stable.

4. None of these.

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 92%
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

The correct statement among the following regarding behavior of BCI3 and CCI4 in water is -

1. BCI 3  readily undergoes hydrolysis while  CCI 4  completely resists hydrolysis.
2. CCI 4   readily undergoes hydrolysis while  BCI 3  completely resists hydrolysis.
3. Both  BCI 3  and  CCI 4  readily undergo hydrolysis.
4. Neither  BCI 3  nor  CCI 4  undergo hydrolysis.

Subtopic:  Compounds of Carbon, Preparations, 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

Boric acid is a-

1. Protic acid.

2. Weak monobasic acid.

3. Lewis acid.

4. Both '2' and '3'

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 81%
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

The effect of heating Boric acid at 370 K or above is -

1. Orthoboric acid changes to metaboric acid.

2. Metaboric acid changes to boric oxide.

3. Both '1' and '2'

4. Neither '1' nor '2'

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 68%
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

The electron-deficient compound among the following is -

1. SiCl4

2. BCl3

3. PCl3

4. ICl

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 92%
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 hybridization of carbon in (a) CO32- (b) diamond (c) graphite is respectively-

1. sp2sp3sp2

2. sp2sp3sp3

3. sp3sp3sp2

4. sp3sp2sp3

Subtopic:  Compounds of Carbon, Preparations, Properties & Uses |
 73%
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 B–F bond lengths in BF3 (130 pm) and BF4-(143 pm) differ because of-

1. Presence of triple bond character in BF3

2. Resonance in BF4-

3. Presence of a double bond character in BF3

4. Presence of a double bond character in BF4-

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 53%
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

Despite the dipole moment in the B–Cl bond, the BCl3 molecule as a whole has no dipole moment because:

1. The respective dipole-moments of the B–Cl bond add with each other
2. The respective dipole moments of the B–Cl bond cancel each other
3. BCl3 is tetrahedral in shape
4. None of the above

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
 83%
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

CO is a poisonous gas because :

1. It forms a complex with hemoglobin.
2. The CO–Hb complex is about 300 times more stable than the O 2 –Hb complex.
3. It can kill a person through suffocation on not receiving oxygen.
4. All of the above.

Subtopic:  Compounds of Carbon, Preparations, Properties & Uses |
 91%
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