Correct order of boiling point of group 16 hydrides

(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 |
 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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Which is correctly given according to other indicated?

1. F2<Cl2<Br2<I2 (oxidising Power)

2. HI>HBr>HCl>HF (Acidic strength)

3. Cl2<Br2<F2<I2 (Bond Energy)

4. HF< HI<HCl< HBr (Boiling point)​

Subtopic:  Group 17 - 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 |
 56%
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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 |
 62%
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Which of the following pairs of molecules have the almost identical bond dissociation energy?

1. F2 and H2

2. N2 and CO

3. F2 and I2

4. HF and O2

Subtopic:  Group 17 - Preparation, Properties & Uses |
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Hot concentrated sulphuric acid is a moderately strong oxidising agent. Which of the following reaction doe not show oxidising behaviour?

(a) Cu + 2H2SO4 CuSO4 + SO2 + 2H2O

(b) 3S + 2H2SO4 3SO2 + 2H2O

(c) C + 2H2SO4 CO2 + 2SO2 + 2H2O

(d) CaF2 + H2SO4 CaSO4 + 2HF

Subtopic:  Group 16 - Preparation, Properties & Uses |
 74%
NEET - 2016
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Among the following, which one is a wrong statement?

(1) PH5 and BiCl5 do not exist

(2) ρp-dp bonds are present in SO2

(3) SeF4 and CH4 have same shape

(4) I3+ has bent geometry

Subtopic:  Group 17 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |
 60%
NEET - 2016
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