Download 2nd year 2nd 5 chaps of chemistry

2nd year 2nd 5 chaps of chemistry
Blanks.
1.
The name of anionic ligands in complex end in suffix ‘O’………….
2.
Pig Iron contains greater percentage of carbon than…………….
3.
The general formula for acid is …………..
4.
The form of coal contains …… % carbon is called anthracite.
5.
Marsh gas is the name of …………….
6.
Neoprene is used as …………….
7.
Mustard gas cause………………
8.
Ethene is used for artificial ripening of ……………….
9.
Benzoic acid has the formula ……………..
10.
Ozonolysis of benzene gives………………..
True False.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Benzene is saturated hydrocarbon
-OH group is meta directing
The Alkylation of benzene is called Wurtz reaction.
A triple bond must be present in alkenes.
Paraffins are also known as alkanes.
Dehydration of ethanol gives Ethene.
The functional group of Alcohol is –OH.
Natural gas contains 70 % methane.
The plating is used to protect
Compound of transition elements are mostly colored
MCQs
1.
Group VIB of transition elements contain
(a)
Zn, Cd, Hg
(b)
Fe, Ru, Os
(c)
Cr, Mo, W
(d)
Mn, Te, Re
2.
The colour of transition metal complexes is due to
(a)
Ligands
(b)
Coordination sphere
(c)
Substitutional alloy (d)
Central metal atom
3.
Alkanes show Hybridization of type.
(a)
sp3
(b)
sp2
(c)
sp
(d)
none
4.
Which of the following is an organic compound
(a)
HCl
(b)
Na2 CO3
(c)
Ca C2
(d)
CCl4
5.
Dehydration of ethanol gives
(a)
Ethane
(b)
Ethene
(c)
Ethyne
(d)
None