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

Phenol, when first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives (a) o-nitrophenol (b) p-nitrophenol (c) Nitrobenzene (d) 2, 4, 6-trinitrophenol 4 6-trinitrophenol gives (a) o-nitrophenol (b) p-nitrophenol (c) Nitrobenzene (d) 2 Phenol when first reacts with concentrated sulphuric acid and then with concentrated nitric acid February 14, 2021 Category: Uncategorised [...]

Number of neutrons in a parent nucleus X , which gives 7N^14 nucleus after two successive bita emission would be (a)) 9 (b) 8 (c) 7 (d) 6 Number of neutrons in a parent nucleus X which gives 7N^14 nucleus after two successive bita emission would be (a)) 9 (b) 8 (c) 7 (d) 6 [...]

In the following sequence of reactions, the compound ‘D’ is (a) Butanal (b) n-butyl alcohol (c) n-propyl alcohol (d) Propanal In the following sequence of reactions the compound 'D' is (a) Butanal (b) n-butyl alcohol (c) n-propyl alcohol (d) Propanal February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The structure of the compound that gives a tribromo derivative on treatment with bromine water is The structure of the compound that gives a tribromo derivative on treatment with bromine water is February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Phenyl magnesium bromide reacts with methanol to give (a) A mixture of anisole and Mg(OH)Br (b) A mixture of benzene and Mg(OMe)Br (c) A mixture of toluene and Mg(OH)Br Phenyl magnesium bromide reacts with methanol to give (a) A mixture of anisole and Mg(OH)Br (b) A mixture of benzene and Mg(OMe)Br (c) A mixture of [...]

Assertion : Breeder reactor produces 94 Pu^239 fissile from non – fissile uranium. Reason : A breeder reactor is one that produces more fissionable nuclei than it consumes. Assertion : Breeder reactor produces 94 Pu^239 fissile from non - fissile uranium. Reason : A breeder reactor is one that produces more fissionable nuclei than it [...]

A long horizontal rod has a bead which can slide along its length and is initially placed at a distance L from one end A of the rod.The rod set in angular motion about A with a constant angular acceleration a .If the coefficient of friction between the rod and the bead is u and [...]

Assertion : Actinium series is so called because it starts with an isotope of actinium. Reason : Actinium is formed in the nature as such and is not formed from the disintegration of any other radioisotope. Calculate mass defect in the following reaction 1 H^2 + 1H^3 gives 2He^4 + 0n^1 February 14, 2021 Category: [...]

P-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is P-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form [...]

During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is (a) Protonation of alcohol molecule (b) Formation of carbocation (c) Elimination of water During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is (a) Protonation of alcohol molecule (b) Formation of carbocation (c) Elimination of [...]