Which one of the following reactions does not come under hydrolysis type reaction?

(1) SiCl4(l)+2H2O(l)SiO2(s)+4HCl(aq)

(2) Li3N(s)+2H2O(l)NH3(g)+3LiOH(aq)

(3) 2F2(g)+2H2O(l)4HF(aq)+O2(g)

(4) P4O10(s)+6H2O(l)4H3PO4(aq)

Subtopic:  Group 15 - Preparation, Properties & Uses |
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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 |
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In the light of the below statements, choose the correct answer from the options given below.
I: Acid strength increases in the order given as HF < HCl < HBr < HI.
II: As the size of the elements F, Cl, Br, I increases down the group, the bond strength of HF, HCI, HBr, and HI decreases and so the acid strength increases.

1. I is correct but II is false.
2. I is incorrect but II is true.
3. Both I and II are true.
4. Both I and II are false.

Subtopic:  Group 17 - Preparation, Properties & Uses |
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Which of the following is incorrect regarding noble gases?

1. Noble gases have weak dispersion forces.
2. Noble gases have large positive values of electron gain enthalpy.
3. Noble gases are sparingly soluble in water.
4. Noble gases have very high melting and boiling points.

Subtopic:  Group 18 - Preparation, Properties & Uses |
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In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

1. NH< PH< AsH< SbH3 Increasing acidic character
2. CO< SiO< SnO< PbO2 Increasing oxidizing power
3. HF < HCl < HBr < HI Increasing acidic strength
4. H2O < H2S < H2Se < H2Te Increasing pKa values
Subtopic:  Group 15 - Preparation, Properties & Uses |
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A compound 'X' upon reaction with H2O produces a colorless gas 'Y' with rotton fish smell. Gas 'Y' is absorbed in a solution of CuSO4 to give Cu3P2 as one of the products. Predict the compound 'X'

1. Ca3P2

2. NH4Cl

3. As2O3

4. Ca3(PO4)2

Subtopic:  Group 15 - Preparation, Properties & Uses |
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Which of the following compound of sulphur has -O-Olinkage?

1. H2SO4, sulphuric acid

2. H2S2O8, peroxodisulphuric acid

3. H2S2O7, pyrosulphuric acid

4. H2SO3, sulphurous acid

Subtopic:  Group 16 - Preparation, Properties & Uses |
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Select the correct option based on statements below:
 
Assertion (A): ICI is more reactive than I₂.
Reason (R): I-Cl bond is weaker than I-I bond.
 
1. (A) is false but (R) is true.
2. Both (A) and (R) are true and (R) is the correct explanation of (A).
3. Both (A) and (R) are true but (R) is not the correct explanation of (A).
4. (A) is true but (R) is false.
Subtopic:  Group 17 - Preparation, Properties & Uses |
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Given below are two statements:
I: The boiling points of the following hydrides of group 16 elements increase in the order 
\(\mathrm{H}_{2} \mathrm{O}<\mathrm{H}_{2} \mathrm{~S}<\mathrm{H}_{2} \mathrm{Se}<\mathrm{H}_{2} \mathrm{Te} \)  
II: The boiling points of these hydrides increase with the increase in molar mass.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. I is incorrect but II is correct 
2. Both I and II are correct 
3. Both I and II are incorrect 
4. I is correct but II is incorrect
Subtopic:  Group 16 - Preparation, Properties & Uses |
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What is the correct order for boiling points of the following compounds?

1. AsH3 > PH3 > NH3 > SbH3 > BiH3
2. BiH3 > SbH3 > NH3 > AsH3 > PH3
3. NH3 > PH3 > AsH3 > SbH3 > BiH3
4. PH3 > NH3 > AsH3 > SbH3 > BiH3


 

Subtopic:  Group 15 - Preparation, Properties & Uses |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology