Compound of sulphur that has -O-Olinkage among the following is:

1. H2SO4, sulphuric acid

2. H2S2O8, peroxodisulphuric acid

3. H2S2O7, pyrosulphuric acid

4. H2SO3, sulphurous acid

Subtopic:  Group 16 - Preparation, Properties & Uses |
 83%
From NCERT
NEET - 2020
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

Match the compounds of Xe in column I with the molecular structure in column II.

Column-I Column-II
(a) XeF2 (i) Square planar
(b) XeF4 (ii) Linear
(c) XeO3 (iii) Square pyramidal
(d) XeOF4 (iv) Pyramidal
 
(a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (ii) (iv) (iii) (i)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
Subtopic:  Group 18 - Preparation, Properties & Uses |
 78%
From NCERT
NEET - 2020
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

Identify the correct formula of 'oleum' from the following

1. H2S2O7

2. H2SO3

3. H2SO4

4. H2S2O8

Subtopic:  Group 16 - Preparation, Properties & Uses |
 86%
From NCERT
NEET - 2019
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

Among  the following oxoacids of phosphorus ,the strongest reducing property is for:

1. H4P2O7

2. H3PO3

3. H3PO2

4. H3PO4

Subtopic:  Group 15 - Preparation, Properties & Uses |
 66%
From NCERT
NEET - 2019
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

A compound "X", upon reaction with H2O, produces a colourless gas "Y" with a rotten fish smell.  Gas 'Y' is absorbed in a solution of CuSO4 to give Cu3P2 as one of the products. The compound 'X' will be:

1. Ca3P2

2. NH4Cl

3. As2O3

4. Ca3(PO4)2

Subtopic:  Group 15 - Preparation, Properties & Uses |
 71%
From NCERT
NEET - 2019
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 given sequence among the following arrangements that is not strictly according to the property indicated against it.  

1. H2O < H2S < H2Se < H2Te : \(\small{i n c r e a sin g \  p K_{a}\   v a l u e s}\)
2. \(\small{N H_{3} <   P H_{3} <  A s H_{3} <  S b H_{3} :   i n c r e a sin g  \ a c i d i c  \ c h a r a c t e r}\)
3. \(\small{C O_{} <  S i O_{} <  S n O_{}   <  P b O_{2} :  i n c r e a sin g \  o x i d i sin g  \ p o w e r} \)
4. \(\small{H F  <  H C l   <  H B r  <  H I :  i n c r e a sin g \  a c i d i c  \ s t r e n g t h} \)
Subtopic:  Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
 79%
From NCERT
AIPMT - 2012
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

Match List-I (substances) with List-II (processes) employed in the manufacture of the substances and select the correct option.

List –I (Substances) List – II (Processes)
(a) Sulphuric acid (i) Haber's Process
(b) Steel (ii) Bessemer's Process
(c) Sodium carbonate (iii) Leblanc Process
(d) Ammonia  (iv) Contact Process

Options : (a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iv) (iii) (ii) (i)
3. (iv) (ii) (iii) (i)
4. (i) (iv) (ii) (iii)
Subtopic:  Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
 58%
From NCERT
AIPMT - 2010
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

 Wrong statement among the following is:

1. Bond energy of F2 > Cl2

2. Electronegativity of F > Cl

3. F is more oxidizing than Cl

4. Electron affinity of Cl > F

Subtopic:  Group 17 - Preparation, Properties & Uses |
 83%
From NCERT
AIPMT - 2000
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 given options, the compound that has a planar structure is:
1. XeF4
2. XeOF2
3. XeO2F2
4. XeO4

Subtopic:  Group 18 - Preparation, Properties & Uses |
 79%
From NCERT
AIPMT - 2000
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

Oxidation number of P in pyrophosphoric acid is:

1.  +5
2.  +2
3.  +3
4.  +4

Subtopic:  Group 15 - Preparation, Properties & Uses |
 78%
From NCERT
AIPMT - 1999
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