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

Example of unit cell with crystallographic dimensions a is not equal to b is not equal to c , alpha = 90 degree , bita is not equal to 90 degree is alpha = 90 degree bita is not equal to 90 degree is Example of unit cell with crystallographic dimensions a is not equal [...]

Chloroform reacts with the following compound to give a hypnotic (a) Phenol (b) R – NH2 (c) Acetone (d) HNO3 Chloroform reacts with the following compound to give a hypnotic (a) Phenol (b) R - NH2 (c) Acetone (d) HNO3 February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Assertion : Lead Zirconate is a piezoelectric crystal. Reason : Lead Zirconate crystals have no dipole moment. Assertion : Lead Zirconate is a piezoelectric crystal. Reason : Lead Zirconate crystals have no dipole moment. February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Assertion : On heating ferromagnetic or ferrimagnetic substances , they become paramagnetic . Reason : The electrons cahnge their spin on heating . Assertion : On heating ferromagnetic or ferrimagnetic substances they become paramagnetic . Reason : The electrons cahnge their spin on heating . February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM [...]

The reaction of an aromatic halogen compound with an alkyl halides in presence of sodium and ether is called (a) Wurtz reaction (b) Sandmeyer’s reaction (c) Wurtz-Fittig reaction The reaction of an aromatic halogen compound with an alkyl halides in presence of sodium and ether is called (a) Wurtz reaction (b) Sandmeyer's reaction (c) Wurtz-Fittig [...]

Reduction of acetyl chloride with H2 in presence of Pd gives (a) CH3COCH3 (b) C2H5OH (c) CH3COOH (d) CH3CHO Reduction of acetyl chloride with H2 in presence of Pd gives (a) CH3COCH3 (b) C2H5OH (c) CH3COOH (d) CH3CHO February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Assertionn : Electrical conductivity of semiconductors increases with increasing temperature. Reason : With increase in temperature , large number of electrons from the valence band can jump to the conduction band. Assertionn : Electrical conductivity of semiconductors increases with increasing temperature. Reason : With increase in temperature large number of electrons from the valence band [...]

For a given alkyl group the densities of the halides follow the order (a) RI < RBr < RCl (b) RI < RCl < RBr (c) RBr < RI < RCl (d) RCl < RBr < RI For a given alkyl group the densities of the halides follow the order (a) RI < RBr < [...]

Assertion : Crystalline solids have short order. Reason : Amorphous solids have long range order. Assertion : Crystalline solids have short order. Reason : Amorphous solids have long range order. February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Carbon-halogen bond is strongest among the following (a) CH3Cl (b) CH3Br (c) CH3F (d) CH3I Carbon-halogen bond is strongest among the following (a) CH3Cl (b) CH3Br (c) CH3F (d) CH3I February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,