Mellitic acid is formed by the oxidation of graphite with -

1. Chromic acid

2. Alkaline KMnO4

3. Fuming HNO3

4. dil. HNO3

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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 most volatile compound among the following is -

1.  CH4

2.  SiH4

3.  GeH4

4.  SnH4

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 64%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The coordination number of Al in aluminates, is-

1. 3 2. 6
3. 1 4. 4
Subtopic:  Boron Family- Preparations, Properties & Uses |
 66%
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 mixed oxide compound among the following is -

1.  PbO2

2.  SnO2

3.  Pb2O3

4.  Pb3O4

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 59%
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 the correct statement(s) regarding the following reaction sequence:

 
   

1.  The compound (A) is CH32SiCl2

2.  The compound D is SiC

3.  The compound (B) is CH32SiOH2

4.  All of the above

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 88%
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 species among the following that decomposes easily is: -

1. \(\mathrm{Pbl}_2 \) 2. \(\mathrm{Pbl}_4 \)
3. \(\mathrm{PbCH}_3 \mathrm{COO}_4 \) 4. \(\mathrm{PbCl}_2\)
Subtopic:  Properties of Glass, Pb & Sn compounds |
 71%
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 strong oxidizing agent among the following is -

1.  Tl3+

2.  Ga3+

3.  ln3+

4.  Al3+

Subtopic:  Boron Family- Preparations, Properties & Uses |
 76%
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

From the following, the compound(s) that react(s) with \(\mathrm{BF}_3\) is/are -

1. Ethers 2. \( \mathrm{H}_2 \mathrm{O} \)
3. \(\mathrm{NH}_3 \) 4. All of the above
Subtopic:  Boron Family- 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

The products formed by the oxidation of NaBH4 and l2 are:

1.  B2H6 and Nal only

2.  B2H6, H2 and Nal 

3.  Bl3 and NaH

4.  NaBl4 and Hl 

Subtopic:  Boron Family- 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

Ionization enthalpy (iH1kJ mol-1) for the elements of Group 13 follows the order.

1. B > Al > Ga > In > Tl 2. B < Al < Ga < In < Tl
3. B < Al > Ga < In > Tl 4. B > Al < Ga > In < Tl
Subtopic:  Boron Family- Preparations, Properties & Uses |
 70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.