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Recent questions tagged kossel-lewis-approach-to-chemical-bonding
Questions
An atom of one element A has four electrons in its outermost shell, and that of B has six electrons in the outermost shell. The formula of the compound formed by these two will be
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
easy
asked
Apr 7, 2014
by
meena.p
1
answer
Among $CaH_2,NH_3,NaH$ and $B_2 H_6$ which are covalent hydride ?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
easy
asked
Apr 7, 2014
by
meena.p
1
answer
If the reaction rate at a given temperature becomes slower. then
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
2
answers
Rate of a chemical reaction can be kept constant by
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
1
answer
The molecularity of the reaction $6FeSO_4+3H_2SO_4+KClO_3 \longrightarrow KCl +3 Fe_2(SO_4)_3+3H_2O$ is
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
1
answer
Identify the least stable ion amongst the following :
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
easy
asked
Apr 4, 2014
by
meena.p
1
answer
Statement 1: Band gap in germanium is small. Statement 2 : The energy spread of each germanium atomic energy level in infinitesimally small.
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
1
answer
Statement 1: p-hydroxybenzonic acid has a lower boiling point than $O- hydroxybenzonic acid. Statement 2: O-Hydroxybenzonic acid has intramolecular hydrogen bonding.
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
1
answer
Statement 1: $LiCl$ is predominantly a covalent compound. Statement 2: Electronegativity difference between $Li$ and $Cl$ is too small.
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
medium
asked
Apr 4, 2014
by
meena.p
1
answer
The chemical reaction $2O_3 \to 3O_2$ proceeds as follows : $ O_3 \rightleftharpoons O_2+O ......(fast) \qquad O+O_3 \to 2O_2 ....(slow)$. The rate law expression should be :
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
easy
asked
Apr 3, 2014
by
meena.p
1
answer
The rate of the elementary reaction, $2NO+O_2 \to 2NO_2$ when the volume of the reaction vessel is doubled
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
difficult
asked
Apr 3, 2014
by
meena.p
1
answer
Lewis Octet rule was failed ,to explain the following structure of molecule
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q56
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
Which one of the following is the least stable compound?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q50
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
Of the following molecules the only one which is not an exception to the octet rule is :
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q45
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
Among the following the maximum covalent character is shown by the compound
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q14
medium
asked
Dec 9, 2013
by
sreemathi.v
1
answer
Which of the following represent the correct order of increase in covalent character?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q7
medium
asked
Dec 6, 2013
by
sreemathi.v
1
answer
Which of the following represent the correct order of decrease in covalent character?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q6
medium
asked
Dec 6, 2013
by
sreemathi.v
1
answer
Which of the following represent the correct order of increase in covalent character?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q5
medium
asked
Dec 6, 2013
by
sreemathi.v
1
answer
Which of the following compounds does not obey the octet rule?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q3
medium
asked
Dec 6, 2013
by
sreemathi.v
2
answers
Which of the following does not obey the octet rule?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q2
medium
asked
Dec 6, 2013
by
sreemathi.v
1
answer
Which of the following obeys the octet rule?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
kossel-lewis-approach-to-chemical-bonding
q1
medium
asked
Dec 6, 2013
by
sreemathi.v
1
answer
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