\(\mathrm{PCl}_3\) upon hydrolysis gives an oxyacid of phosphorous.
The basicity of that oxyacid is:

1. One 2. Two
3. Three 4. Four

Subtopic:  Group 15 - Preparation, Properties & Uses |
 67%
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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 |
 63%
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Compound among the following with an S-S bond is :

1. H2S2O7

2. H2SO5

3. H2S2O8

4. H2S2O6

Subtopic:  Group 16 - Preparation, Properties & Uses |
 65%
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The 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 |
 65%
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Which is not hydrolysed with water?

(1) PCl3

(2) NF3

(3) NCl3

(4) BCl3

Subtopic:  Group 15 - Preparation, Properties & Uses |
 68%
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The following solid exists in the form of ions:-

(1) BI3

(2) BCl3

(3) BF3

(4) CaBO2

Subtopic:  Group 16 - Preparation, Properties & Uses |
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Which of the following is not hydrolysed?

(1) CCl4

(2) SiCl4

(3) GeCl4

(4) SnCl4

Subtopic:  Group 17 - Preparation, Properties & Uses |
 74%
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The correct order of boiling points for group 16 hydrides is:

1. H2O < H2S < H2Se < H2Te

2. H2Te < H2Se < H2S < H2O

3. H2S < H2Se < H2Te < H2O

4. H2O < H2Te < H2Se < H2S

Subtopic:  Group 16 - Preparation, Properties & Uses |
 68%
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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 |
 56%
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White phosphorous reacts with calcium to form a certain compound which on hydrolysis produces

1. PH3

2. H3PO4

3. P4O6

4. P4O10

Subtopic:  Group 15 - Preparation, Properties & Uses |
 59%
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