In which process does the nitrogen undergo oxidation?

(1) N2 2NH3

(2) N2O 2NO2

(3) NO3 N2O5

(4) NO2NO3-

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Which of the following has been arranged in order of decreasing bond dissociation energy:

(1) P-O>Cl-O>S-O

(2) P-O>S-O>Cl-O

(3) S-O>Cl-O>P-O

(4) Cl-O>S-O>P-O

Subtopic:  Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses |
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Which set of oxide of nitrogen is paramagnetic in nature?

(1) NO, N2O

(2) NO2, NO, N2O

(3) NO,NO2

(4) N2O,NO2

Subtopic:  Group 15 - Preparation, Properties & Uses |
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S-S bond is present in

(1) H2S2O7

(2) H2SO5

(3) H2S2O8

(4) H2S2O6

Subtopic:  Group 16 - Preparation, Properties & Uses |
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Bleaching action of SO2 is due to its

(1) acidic property

(2) basic property

(3) reducing property

(4) oxidising property

Subtopic:  Group 16 - Preparation, Properties & Uses |
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Which is not hydrolysed with water?

(1) PCl3

(2) NF3

(3) NCl3

(4) BCl3

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Ammonia on reaction with excess of chlorine gives

(1) NCl3 and HCl

(2) N2 and NH4Cl

(3) NCl3 and NH4Cl

(4) N2 and HCl

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Nitrogen gas is liberated by the thermal decomposition of:

1. NH4NO2                                 

2. NaN3

3. NH42Cr2O7                           

4. All of the above. 

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Consider the following sequence of reaction.

Na+NH3(g)XN2OYHeatZGas Pure

Identify [Z] gas :

(a) N2

(b) NH3

(c) O2

(d) H2

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Which of the following compound does not produce oxyacid of central atom on hydrolysis?

(a) BF3                            (b) NCl3

(c) SF4                            (d) PCl5

Subtopic:  Group 15 - Preparation, Properties & Uses |
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