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The octet rule is not followed in (a) F2 (b) NaF (c) CaF2 (d) BF3
01
Dec
The octet rule is not followed in (a) F2 (b) NaF (c) CaF2 (d) BF3 The octet rule is not followed in (a) F2 (b) NaF (c) CaF2 (d) BF3 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A thin conducting ring of radius R is given a charge + Q. The electric field at the center O of the ring due to the charge on the part AKB of the ring is E. The electric field at the center due to the charge on the part ACDB of the ring is
01
Dec
A thin conducting ring of radius R is given a charge + Q. The electric field at the center O of the ring due to the charge on the part AKB of the ring is E. The electric field at the center due to the charge on the part ACDB of the ring is Three [...]
The table shown below gives the bond dissociation energies ( Ediss ) for single covalent bonds of carbon (C) atoms with element A, B, C and D . Which element has the smallest atoms
01
Dec
The table shown below gives the bond dissociation energies ( Ediss ) for single covalent bonds of carbon (C) atoms with element A, B, C and D . Which element has the smallest atoms B C and D . Which element has the smallest atoms The table shown below gives the bond dissociation energies ( [...]
Which of the following statements is correct for covalent bond (a) Electrons are shared between two atoms (b) It may be polar or non – polar (c) Direction is non – polar (d) Valency electrons are attracted
01
Dec
Which of the following statements is correct for covalent bond (a) Electrons are shared between two atoms (b) It may be polar or non – polar (c) Direction is non – polar (d) Valency electrons are attracted As Br (b) Li Cl From the following K (C) O Na p S Se (d) N which [...]
Tags:
As ,
Br (b) Li ,
Cl ,
From the following ,
K (C) O ,
Na ,
p ,
S ,
Se (d) N ,
which group of elements easily forms cation (a) F ,
The titanium (atomic number 22) compound that does not exist is (a) TiO (b) TiO2 (c) K2TiF6 (d) TiCl3
01
Dec
The titanium (atomic number 22) compound that does not exist is (a) TiO (b) TiO2 (c) K2TiF6 (d) TiCl3 The titanium (atomic number 22) compound that does not exist is (a) TiO (b) TiO2 (c) K2TiF6 (d) TiCl3 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Vanadium (III) oxide is a strong (a) Drying agent (b) Oxidising agent (c) Reducing agent (d) Wetting agent
01
Dec
Vanadium (III) oxide is a strong (a) Drying agent (b) Oxidising agent (c) Reducing agent (d) Wetting agent Vanadium (III) oxide is a strong (a) Drying agent (b) Oxidising agent (c) Reducing agent (d) Wetting agent December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Guignet’s green is know as (a) Cr2O3.2H2O (b) FeO3.2H2O (c) Cu2O3 (d) FeCO3.Cr2O3
01
Dec
Guignet’s green is know as (a) Cr2O3.2H2O (b) FeO3.2H2O (c) Cu2O3 (d) FeCO3.Cr2O3 Guignet's green is know as (a) Cr2O3.2H2O (b) FeO3.2H2O (c) Cu2O3 (d) FeCO3.Cr2O3 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following sulphides when heated strongly in air gives the corresponding metal (a) Cu2S (b) CuS (c) Fe2S3 (d) FeS (e) HgS
01
Dec
Which of the following sulphides when heated strongly in air gives the corresponding metal (a) Cu2S (b) CuS (c) Fe2S3 (d) FeS (e) HgS Which of the following sulphides when heated strongly in air gives the corresponding metal (a) Cu2S (b) CuS (c) Fe2S3 (d) FeS (e) HgS December 1, 2020 Category: Uncategorised (JEE Advanced [...]
Which process of purification is represented by the following scheme Ti + 2I2 to TiI4 to Ti + I2 (a) Cupellation (b) Poling (c) Electrolytic refining (d) Zone refining (e) Van-Arkel process
01
Dec
Which process of purification is represented by the following scheme Ti + 2I2 to TiI4 to Ti + I2 (a) Cupellation (b) Poling (c) Electrolytic refining (d) Zone refining (e) Van-Arkel process Which process of purification is represented by the following scheme Ti + 2I2 to TiI4 to Ti + I2 (a) Cupellation (b) Poling [...]
A cubical block of mass m containing a net positive charge q is placed on a smooth horizontal surface which terminates in a vertical wall, as shown in figure. The distance between the wall and the block is d. A horizontal electric field E directed toward the wall is suddenly switched on, assuming elastic collision the time period of the resulting collision is
01
Dec
A cubical block of mass m containing a net positive charge q is placed on a smooth horizontal surface which terminates in a vertical wall, as shown in figure. The distance between the wall and the block is d. A horizontal electric field E directed toward the wall is suddenly switched on, assuming elastic collision [...]
Tags:
A cubical block of mass m containing a net positive charge q is placed on a smooth horizontal surface which terminates in a vertical wall ,
as shown in figure. The distance between the wall and the block is d. A horizontal electric field E directed toward the wall is suddenly switched on ,
assuming elastic collision the time period of the resulting collision is ,