The false statement regarding hydrides from the 15th group is:

1. NH> PH> AsH> SbH> BiH3 Thermal stability
2. N-H > P-H > As-H > Sb-H > Bi-H E-H bond dissociation enthalpy
3. NH> PH> AsH> SbH> BiH3 Reducing character
4. NH> PH> AsH> SbH> BiH3 Basicity

Subtopic:  Group 15 - Preparation, Properties & Uses |
 76%
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 non-metal M forms MCl3, M2O5 and Mg3M2 but does not form MI5. Then incorrect statement regarding non-metal M is:

(a) M can form multiple bond

(b) M is of second period element 

(c) Atomicity of non-metal is 4

(d) The range of oxidation number for M is +5 to -3

Subtopic:  Group 15 - Preparation, Properties & Uses |
 55%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The correct order of SS bond length in the following oxyanion is :

(I) S2O42-                  (II) S2O52-                      (III) S2O62-

(a) I>II>III                                      (b) I>III>II

(c) III>II>I                                       (d) III>I>II

Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In which of the following reaction product does not contain 'Peroxy' linkage?

1. 2OFDimerisation  

2. H4P2O8+H2O

3. 2Naexcess O2   

4. None of these 

Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Consider the following statements in respect of oxides of sulphur.

(1) In gas phase SO2 molecule is V-shape.

(2) In gas phase SO3 molecule is planar.

(3) ySO3 is cyclic trimer.

Which of the above statements are correct ?

(1) 1 and 2 only                             

(2) 2 and 3 only

(3) 1 and 3 only                             

(4) 1, 2 and 3

Subtopic:  Group 16 - Preparation, Properties & Uses |
 57%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The gas that cannot be collected over water is:

1. N2                                   

2. O2

3. SO2                                 

4. PH3

Subtopic:  Group 16 - Preparation, 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

One gas bleaches the colour of flowers by reduction, while the other gas bleaches by oxidation. The two gases, respectively, are:

1. CO and Cl2                             

2. H2S and Br2

3. NH3 and SO3                           

4. SO2 and Cl2

Subtopic:  Group 16 - Preparation, 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

Which of the following halides cannot be hydrolysed at room temperature?

  (I) TeF6                    (II) SF6                    (III) NCl3                          (IV) NF3

(1) III and IV                               

(2) I, II and III

(3) I, II and IV                             

(4) II and IV

 

Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which parent oxy acid does not have its own hypo acid?

1. H2SO2                                  
2. HNO2                                            
3. H3PO3                                        
4. HClO3

Subtopic:  Group 16 - Preparation, 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

Consider the following reactions :

(i) PCl3+3H2OH3PO3+3HCl             
(ii) SF4+3H2OH2SO3+4HF

(iii) BCl3+3H2OH3BO3+3HCl            
(iv) XeF6+3H2OXeO3+6HF

Then according to given information the incorrect statement is :

(1) During the (i) reaction the hybridisation of 15th group element does not 

      changed

(2) During the (ii) reaction the hybridisation of 16th group element 

      changed

(3) During the (iii) reaction the hybridisation of 13th group element does not 

      changed

(4) During the (iv) reaction the hybridisation of 18th group element does not 

      changed

Subtopic:  Group 15 - Preparation, 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