Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Read the following statement and explaination and answer as per the option given below : Assertion : In any ionic solid [ MX ] with Schottky defects , the number of positive and negative ions are same . Reason : Equal number of action and anion vacancies are present.
09
Feb
Read the following statement and explaination and answer as per the option given below : Assertion : In any ionic solid [ MX ] with Schottky defects , the number of positive and negative ions are same . Reason : Equal number of action and anion vacancies are present. Read the following statement and explaination [...]
Which of the following compounds will produce a precipitate with AgNO3
09
Feb
Which of the following compounds will produce a precipitate with AgNO3 Which of the following compounds will produce a precipitate with AgNO3 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which amongst the following is the strongest acid (a) CHI3 (b) CHCI3 (c) CHBr3 (d) CH(CN)3
09
Feb
Which amongst the following is the strongest acid (a) CHI3 (b) CHCI3 (c) CHBr3 (d) CH(CN)3 Which amongst the following is the strongest acid (a) CHI3 (b) CHCI3 (c) CHBr3 (d) CH(CN)3 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The increasing order of the reactivity of the following halides for the S N1 reaction is (a) (II) < (I) < (III) (b) (I) < (III) < (II) (c) (II) < (III) < (I)
09
Feb
The increasing order of the reactivity of the following halides for the S N1 reaction is (a) (II) < (I) < (III) (b) (I) < (III) < (II) (c) (II) < (III) < (I) The increasing order of the reactivity of the following halides for the S N1 reaction is (a) (II) < (I) < [...]
In a solid ‘AB’ having the NaCl structure , ‘A’ atoms occupy the corners of the cubic unit cell . If all the face – centred atoms along one of the axes are removed , then the resultant stoichiometry of the solid is
09
Feb
In a solid ‘AB’ having the NaCl structure , ‘A’ atoms occupy the corners of the cubic unit cell . If all the face – centred atoms along one of the axes are removed , then the resultant stoichiometry of the solid is 'A' atoms occupy the corners of the cubic unit cell . If [...]
When an electron in an excited Mo atom fall from L to K shell; an X – ray is emitted . These X – rays are diffracted at angle of 7.75 degree by planes with a seperation of 2.64 A . what is the difference in energy between K – shell and L – shell in Mo assumining a first – order diffraction (sin 7.775 degree = 0.1349 )
09
Feb
When an electron in an excited Mo atom fall from L to K shell; an X – ray is emitted . These X – rays are diffracted at angle of 7.75 degree by planes with a seperation of 2.64 A . what is the difference in energy between K – shell and L – shell [...]
A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB……….. The percentage of free space in this lattice is (a) 74% (b) 26% (c) 32% (d) 48%
09
Feb
A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB……….. The percentage of free space in this lattice is (a) 74% (b) 26% (c) 32% (d) 48% A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB........... The percentage of free space in this lattice is (a) [...]
The basic building unit of all silicates is (a) SiO4 square planar (b) [siO4 ]^-4 tetrahedron (c) SiO4 octahedron (d) SiO4 linear
09
Feb
The basic building unit of all silicates is (a) SiO4 square planar (b) [siO4 ]^-4 tetrahedron (c) SiO4 octahedron (d) SiO4 linear The basic building unit of all silicates is (a) SiO4 square planar (b) [siO4 ]^-4 tetrahedron (c) SiO4 octahedron (d) SiO4 linear February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Amorphous solids are (a) solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point
09
Feb
Amorphous solids are (a) solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point Amorphous solids are (a) Solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]
Which of the following molecules has three – fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2
09
Feb
Which of the following molecules has three – fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 Which of the following molecules has three- fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,