Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

Which of the following is the most correct statement (a) Brass is an interstitial alloy , while steel is a substititutional alloy (b) brass is an subsititutional alloy, while steel is an interstitial alloy (c) brass and steel are both subsititutional alloys (d) brass and steel are both interstitial alloys Which of the following is [...]

During debromination of meso-dibromobutane, the major compound formed is (a) n-butane (b) 1-butene (c) cis-2-butene (d) trans -2-butene During debromination of meso-dibromobutane the major compound formed is (a) n-butane (b) 1-butene (c) cis-2-butene (d) trans -2-butene February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Isobutyl magnesium bromide with dry ether and absolute alcohol gives Isobutyl magnesium bromide with dry ether and absolute alcohol gives February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The products of combustion of an aliphatic thiol (RSH) at 298 K are (a) CO2(g), H2O(g) and SO2 (g) (b) CO2(g), H2O(l) and SO2 (g) (c) CO2(l), H2O(l) and SO2(g) H2O(g) and SO2 (g) (b) CO2(g) H2O(l) and SO2 (g) (c) CO2(l) H2O(l) and SO2(g) The products of combustion of an aliphatic thiol (RSH) at [...]

If non- metal is added to the interstitial sites of a metal then the metal becomes (a) Softer (b) Less tensile (c) Less malleable (d) More ductile If non- metal is added to the interstitial sites of a metal then the metal becomes (a) Softer (b) Less tensile (c) Less malleable (d) More ductile February [...]

Ethyl bromide reacts with silver nitrate to form (a) Nitroethane (b) Nitroethane and ethyl nitrite (c) Ethyl nitrite (d) Ethane Ethyl bromide reacts with silver nitrate to form (a) Nitroethane (b) Nitroethane and ethyl nitrite (c) Ethyl nitrite (d) Ethane February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Schottky defect generally appears in (a) NaCl (b) KCL (c) CsCl (d) all of these Schottky defect generally appears in (a) NaCl (b) KCL (c) CsCl (d) all of these February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The flame colours of metal ions are due to (a) Frenkel defect (b) Schottky defect (c) Metal deficiency defect (d) metal excess defect The flame colours of metal ions are due to (a) Frenkel defect (b) Schottky defect (c) Metal deficiency defect (d) Metal excess defect February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]

What is the energy gap between valence band and conduction band in crystal of insulators (a) Both the bands are overlapped with each otrher (b) very small (c) Infinite (d) Very large What is the energy gap between valence band and conduction band in crystal of insulators (a) Both the bands are overlapped with each [...]

The following is not a function of an impurity present in a crystal (a) Establishing thermal equilibrium (b) Having tendency to diffuse (c) Contribuiting to scattering (d) Introducing new electronic energy levels Schottky defects occurs mainly in electrovalent compounds where (a) Positive ions and negative ions are of different size (b) ) Positive ions and [...]