Molecule that has μ (observed) greater than μ (theoretical) is : 

1. CHCl3   2.
3. 4.

Subtopic:  Polarity |
 52%
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The bond having minimum bond energy is :

(1) CC                             

(2) OO

(3) SS                               

(4) PP 

Subtopic:  Lattice & Hydration Energy |
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A gas that should not be collected over water is-

1. H2

2. N2

3. CH4

4. HCl

 

Subtopic:  Polarity |
 60%
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The correct increasing order of extent of hydrolysis is :
1. CCl4<MgCl2<AlCl3<SiCl4<PCl5           
2. CCl4<AlCl3<MgCl2<PCl5<SiCl4
3. CCl4<SiCl4<PCl5<AlCl3<mgCl2           
4. CCl4<PCl5<SiCl4<AlCl3<MgCl2

Subtopic:  Lattice & Hydration Energy |
 56%
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Inorganic benzene reacts with HCl to form a compound B3N3H9Cl3. The protonation occurs at:

(1) B-atom 

(2) N-atom

(3) First at B-atom then rearrangers into N-atom 

(4) First N-atom then rearrangers into B-atom 

Subtopic:  Hybridisation |
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The correct order of initials or F for the following statements is -

(Use T if statement is true and F if it is false)

(i)(CH3)2P(CF3)3 is non-polar (CH3)3P(CF3)2  is polar molecule 

(ii) CH3P^CH3 bond angles are equal in a molecule

(iii) PF3 will be more soluble in the polar solvent than SiF4

1. TTF               

2. FFT                     

3. FFF                           

4. FTT

Subtopic:  Polarity |
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Which substance has the strongest London dispersion forces?

1. SiH4

2. CH4

3. SnH4

4. GeH4

Subtopic:  Types of Chemical Bond |
 54%
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The compound that has the lowest boiling point is:

1. HF 2. HCl
3. HBr  4. HI 
Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge | van der Waal Force & Hydrogen Bonding |
From NCERT
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Which of the following is the correct order for increasing bond angle?

(a) NH3<PH3<AsH3<SbH3                    (b)H2O<OF2<Cl2O
(c) H3Te+<H3Se+<H3S+<H3O+            (d) BF3<BCI3<BBr3<BI3

Subtopic:  Covalent Bond |
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The correct statement about hydrolysis of BCl3 and NCl3 is-

1. NCl3 is hydrolysed and gives HOCl but BCl3 is not hydrolysed

2. Both NCl3 and BCl3 on hydrolysis gives HCl

3. NCl3 on hydrolysis gives HOCl  but BCl3 gives HCl

4. Both NCl3 and BCl3 on hydrolysis gives HOCl

Subtopic:  Acidic, Basic Character & Fajan's Rule | Polarity |
 51%
From NCERT
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