Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
R – CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) PBr3, KCN , H3O+ (b) PBr3, KCN, H2 (c) HCN, PBr3, H+
13
Feb
R – CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) PBr3, KCN , H3O+ (b) PBr3, KCN, H2 (c) HCN, PBr3, H+ H H2 (c) HCN H3O+ (b) PBr3 KCN PBr3 R - CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) [...]
Urea is not used (a) As fertilizer (b) In the preparation of medicines (c) In the manufacture of plastic (d) In the purification of water
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Feb
Urea is not used (a) As fertilizer (b) In the preparation of medicines (c) In the manufacture of plastic (d) In the purification of water Urea is not used (a) As fertilizer (b) In the preparation of medicines (c) In the manufacture of plastic (d) In the purification of water February 13, 2021 Category: Uncategorised [...]
Treatment of benzoic acid with Cl2 / FeCl3 will give (a) p-chlorobenzoic acid (b) o-chlorobenzoic acid (c) 2, 4-dichlorobenzoic acid (d) m-chlorobenzoic acid
13
Feb
Treatment of benzoic acid with Cl2 / FeCl3 will give (a) p-chlorobenzoic acid (b) o-chlorobenzoic acid (c) 2, 4-dichlorobenzoic acid (d) m-chlorobenzoic acid 4-dichlorobenzoic acid (d) m-chlorobenzoic acid Treatment of benzoic acid with Cl2 / FeCl3 will give (a) p-chlorobenzoic acid (b) o-chlorobenzoic acid (c) 2 February 13, 2021 Category: Uncategorised (JEE Advanced Physics by [...]
Silver benzoate reacts with bromine to form
13
Feb
Silver benzoate reacts with bromine to form Silver benzoate reacts with bromine to form February 13, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Lactic acid molecule has (a) One chiral carbon atom (b) Two chiral carbon atoms (c) No chiral carbon atom (d) An asymmetric molecule
13
Feb
Lactic acid molecule has (a) One chiral carbon atom (b) Two chiral carbon atoms (c) No chiral carbon atom (d) An asymmetric molecule Lactic acid molecule has (a) One chiral carbon atom (b) Two chiral carbon atoms (c) No chiral carbon atom (d) An asymmetric molecule February 13, 2021 Category: Uncategorised (JEE Advanced Physics by [...]
CH3COOC2H5 with excess of C2H5MgBr and hydrolysis gives
13
Feb
CH3COOC2H5 with excess of C2H5MgBr and hydrolysis gives CH3COOC2H5 with excess of C2H5MgBr and hydrolysis gives February 13, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The 88 Ra^226 is (a) n – mesons (b) u – mesons (c) Radioactive (d) Non – radioactive
13
Feb
The 88 Ra^226 is (a) n – mesons (b) u – mesons (c) Radioactive (d) Non – radioactive The 88 Ra^226 is (a) n - mesons (b) u - mesons (c) Radioactive (d) Non - radioactive February 13, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A projectile is given an initial velocity of (i^+2 j^)m/s where i^is along the ground and j^is along the vertical. If g=10 m/s 2 , the equation of its trajectory is
13
Feb
A projectile is given an initial velocity of (i^+2 j^)m/s where i^is along the ground and j^is along the vertical. If g=10 m/s 2 , the equation of its trajectory is A projectile is given an initial velocity of (i^+2 j^)m/s where i^is along the ground and j^is along the vertical. If g=10 m/s 2 [...]
In a radioactive decay, an emitted electron comes from (a) nucleus of the atom (b) inner orbital of the atom (c) Outermost orbit of the atom (d) Orbital having principal quantum number one
13
Feb
In a radioactive decay, an emitted electron comes from (a) nucleus of the atom (b) inner orbital of the atom (c) Outermost orbit of the atom (d) Orbital having principal quantum number one an emitted electron comes from (a) nucleus of the atom (b) inner orbital of the atom (c) Outermost orbit of the atom [...]
What happens when alpha – particle is emitted (a) mass number decreases by 12 unit , atomic number decreases by 4 unit (b) mass number decreases by 4 unit , atomic number decreases by 2 unit
13
Feb
What happens when alpha – particle is emitted (a) mass number decreases by 12 unit , atomic number decreases by 4 unit (b) mass number decreases by 4 unit , atomic number decreases by 2 unit atomic number decreases by 2 unit atomic number decreases by 4 unit (b) mass number decreases by 4 unit [...]