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WorksheetsMy I PU Chemistry voyage......
Total questions: 13
Worksheet time: 6mins
Basic constituents of matter are ........................
atoms and molecules
ions and electrons
atoms and electrons
ions and molecules
S.I unit of amount of substance is .................
ampere
mole
kelvin
metre
Express 0.00016 in scientific notation.
0.16 × 10–3
1.6 × 10–4
6.1 × 10–4
16 × 10–5
The bond formed, as a result of the electrostatic attraction between the positive and negative ions was termed as ...............
covalent bond
hydrogen bond
metallic bond
electrovalent bond
The number of canonical structures possible of carbonate ion = ..................
1
2
3
4
Which among the following is paramagnetic?
H2
C2
Li2
O2
Our universal solvent undergoes .......................... hybridization.
sp3
sp2
sp
sp3d
Identify the oxidation number of O in KO2
−21
−2
−1
0
Who synthesized the first organic compound from an inorganic compound?
F. Wohler
Berzilius
Kolbe
Lewis
Write the IUPAC name of given molecule.
5-oxoheptanol
5-Hydroxyheptan-1-al
6-oxoheptanol
6-hydroxyheptan-1-al
Kolbe’s electrolytic method is used for the preparation of ................
alkanes
alkynes
alkenes
aromatic hydrocarbons
"negative part of the addendum (adding molecule) gets attached to that carbon atom which possesses lesser number of hydrogen atoms". Identify the given rule
Markovnikov rule
Anti Markovnikov rule
Saytzeff rule
Fajan's rule
Inability of ns2 electrons of valence shell to participate in
bonding is known as ................
Kharash effect
inert pair effect
inductive effect
hyperconjugation effect
