Is Westernization a Cultural Degradation or Enrichment

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ALPONSA MATRIC HR. SEC. SCHOOL,NAGERCOIL
MONTHLY TEST,CHEMISTRY STD : XI 11-AUG-1012 MAX MARKS :100 TIME : 2 hrs SECTION : A (20×1=20) I Answer All The Questions :-

1. De-brogline equation 1s………………..

2. The bond order of nitrogen molecule is…………
a ) 2.5 b ) 2 c ) 1.5 d )3
3. Which of the following parhcle having same lainehic energy would have maximum de-broglie wavelength ? a )α-parhcle b ) proton c ) β-particle d ) neutron 4. Dual character of an electron was explained by………. a ) Bohr b ) Heisenbery c ) de-brogle d ) pauli 5. The hybridization in SF6 molecule is…………..

a ) SP3 b ) SP3d c ) SP3d2 d ) SP3 d3 6. The enery by an electron in an atom is given by En =………….. a ) -4π2me4n2h2 b ) -2π2me2n2h2 c ) -2π2me4n2h2 d ) 2πme4n2h2 7. The value of Bohr radius for hydrogen atom is…………….. a ) 0.529×10-8 cm b ) 0.529×10-10 cm c ) 0.529×10-6 cm d ) 0.529×10-12 cm 8. The intramoleucklar hydrogen bonding is present in………....
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