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Worksheetschemagenda
Total questions: 10
Worksheet time: 10mins
The quantum number n=2 and l=1 correspond to which orbital
1s
2s
2p
3d
Bond order of O22- is
2.5
2
1.5
1
shape of BF3
Triagonal planar
Tetrahedral
linear
pyramidal
A example for metallochromic indicator is
methyl orange
phenolphthalein
Eriochrome Black T
Diphenyl amine
An example for green house gas is
N2
O2
CO2
N2O
Volumetric analysis is a method of ....................analysis
Qualitative
Quantitative
1s22s22p63s2
Water pollution is due to
Agricultural discharges
Sewage and other wastes
Industrial effluents
All the above.
The number of gram equivalents per litre
Molarity
Normality
molality
parts per million
What is the basis of hydrogen bond?
Attraction forces between hydrogen atom bonded with another hydrogen atom
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule
Attraction forces between hydrogen atom with another hydrogen atom of another molecule
