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WorksheetsInorganic Chemistry: p - block elements
Total questions: 20
Worksheet time: 10mins
No. of electrons involved in bonding in diborane molecule?
10
11
12
13
Which of the following is known as "inorganic benzene"?
Phosphazine
Piperazine
Borazine
Pyridine
Which element is essentially present in pseudo halogens?
Oxygen
Halogen
Carbon
Nitrogen
The Oxidation states of Phosphorous and Nitrogen in Phosphonitrilic halides are respectively
+II and +IV
+IV and +V
+III and +V
+V and +III
No. of lone pairs and type of hybridization in "S" in SO3 molecule are respectively
0 and sp2
1 and sp2
0 and sp3
1 and sp3
No. of lone pairs on the central atom and geometry of BrF5 are respectively
0 and square planar
1 and square pyramidal
0 and square pyramidal
1 and trigonal bipyramidal
The geometry and hybridization in the central atom of IF7 are respectively
Octahedral and sp3d3
Trigonal bipyramidal and sp3d2
Pentagonal bipyramidall and sp3d3
Octahedral and sp3d3
Which of the following is not a pseudohalogen?
(CN)2
(OCN)2
(SCN)2
(NO2)2
The hybidizations of Phosphorous and Nitrogen in Phosphonitrilic halides are respectively
sp2 and sp3
sp3 and sp2
sp and sp3
sp and sp2
When diborane is subjected to methylation, how many hydrogens are methylated in diborane?
3
2
4
6
Which of the following statements is not true?
Diborane (B2H6) and Ethane (C2H6) are similar in their structures
Diborane is an electron deficient compound
In diborane, all the hydrogens are not similar
In diborane, all the bonds are not similar
The water repelling character of silicones is due to
Presence of alkyl or aryl groups
strong Si - O - Si linkage
Tetravalency of silicon
Chemical inertness
The oxidation states of sulphur in Caro's acid and Marshall's acid are respectively
+5 and +6
+4 and +6
+6 and +6
+5 and +5
The hybridizations of Boron and Nitrogen in Borazine are respectively
sp2 and sp3
sp2 and sp2
sp3 and sp3
sp3 and sp2
The shapes of SO2 and SO3 are respectively
Linear and Trigonal planar
Angular and Trigonal planar
Linear and T shape
Angular and T shape
The Oxidation states of central sulphur atom and terminal sulphur atom in Thiosulphuric acid are respectively
+4 and +2
+6 and +2
+5 and -2
+6 and -2
The type of Hybridization in the central atom in IF7 is
sp3d2
sp3d
sp3
sp3d3
No. of 3c - 2e- bonds and 2c - 2e- bonds in diborane are respectively
2 and 4
2 and 3
4 and 2
3 and 3
No. of σ bonds and π bond in H2SO4 are respectively
6 and 4
6 and 2
4 and 6
2 and 6
Cross - linked silicones are formed by the polymerization of
R2Si(OH)2
RSi(OH)3
R3Si(OH)
Si(OH)4
