Incorrect statement regarding BF2NH2 molecule is :

(a) FBF bond angle <120%                      (b) HNH bond angle >109°28'

(c) Exhibits intermolecular H-bond             (d) Hybridization of N-atom is sp3

Concept Questions :-

Hybridisation
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In which of the following molecule μ (observed) is found to be greater than μ (theoretical)

  1. CHCl3                                               
2.      

3.                                                   
4. 

                                                                                     

Concept Questions :-

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The bond having minimum bond energy is :

(a) CC                              (b) OO

(c) SS                               (d) PP 

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Which gas should not be collected over water because of its high solubility in water?

(a) H2

(b) N2

(c) CH4

(d) HCl

 

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The correct increasing order of extent of hydrolysis is :

(a) CCl4<MgCl2<AlCl3<SiCl4<PCl5           (b) CCl4<AlCl3<MgCl2<PCl5<SiCl4

(c) CCl4<SiCl4<PCl5<AlCl3<mgCl2            (d) CCl4<PCl5<SiCl4<AlCl3<MgCl2

Concept Questions :-

Lattice/Hydration Energy
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Low melting point is expected for soild:

(a) Ionic soild 

(b) metallic solid 

(c) molecular soild 

(d) covalent soild 

Concept Questions :-

Lattice/Hydration Energy
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Inorganic benzene reacts with HCl to form a compound B3N3H9Cl3. The protonation occurs at:

(a) B-atom 

(b) N-atom

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

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

Concept Questions :-

Hybridisation
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Given the correct order of initials or F for the following statements. Use T if staement 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 (CH3)3P(CF3)2  molecule

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

(a) TTF                (b) FFT                     (c) FFF                           (d) FTT

Concept Questions :-

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Which substance has the strongest London dispersion forces?

 (a) SiH4

(b) CH4

(c) SnH4

(d) GeH4

Concept Questions :-

Types of Bonding
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Which of the following compounds has the lowest boiling point?

(a) HF

(b) HCl

(c) HBr 

(d) HI 

Concept Questions :-

Hydrogen Bonding
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