Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
When a radioactive element emits an alpha particle, the daughter element is placed in the periodic table
14
Feb
When a radioactive element emits an alpha particle, the daughter element is placed in the periodic table the daughter element is placed in the periodic table When a radioactive element emits an alpha particle February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Ether which is liquid at room temperature is (a) C2H5OCH3 (b) CH3OCH3 (c) C2H5OC2H5 (d) None of these
14
Feb
Ether which is liquid at room temperature is (a) C2H5OCH3 (b) CH3OCH3 (c) C2H5OC2H5 (d) None of these Ether which is liquid at room temperature is (a) C2H5OCH3 (b) CH3OCH3 (c) C2H5OC2H5 (d) None of these February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An isotope yA x undergoes a series of m alpha and n beta disintegrations to form a stable isotope y-10 B^X-32 . The values of m and n are respectively
14
Feb
An isotope yA x undergoes a series of m alpha and n beta disintegrations to form a stable isotope y-10 B^X-32 . The values of m and n are respectively An isotope yA x undergoes a series of m alpha and n beta disintegrations to form a stable isotope y-10 B^X-32 . The values of [...]
Addition of alcohols to aldehydes in presence of anhydrous acids yield (a) Carboxylic acids (b) Ethers (c) Cyclic ethers (d) Acetals
14
Feb
Addition of alcohols to aldehydes in presence of anhydrous acids yield (a) Carboxylic acids (b) Ethers (c) Cyclic ethers (d) Acetals Addition of alcohols to aldehydes in presence of anhydrous acids yield (a) Carboxylic acids (b) Ethers (c) Cyclic ethers (d) Acetals February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Tritium undergoes radioactive decay giving (a) alpha – particles (b) bita – particles (c) Neutrons (d) none of these
14
Feb
Tritium undergoes radioactive decay giving (a) alpha – particles (b) bita – particles (c) Neutrons (d) none of these Tritium undergoes radioactive decay giving (a) alpha - particles (b) bita - particles (c) Neutrons (d) none of these February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Phenol is distilled with Zn dust followed by Fridel Crafts alkylation with propyl chloride in the presence of AlCl3 to give a compound (B). (B) is oxidised in the presence of air to form the compound (C) . The structural formula of (C) is
14
Feb
Phenol is distilled with Zn dust followed by Fridel Crafts alkylation with propyl chloride in the presence of AlCl3 to give a compound (B). (B) is oxidised in the presence of air to form the compound (C) . The structural formula of (C) is salicyldehyde is obtained. Which of the following species are involved in [...]
Number of metamers represented by molecular formula C4H10O is (a) 4 (b) 3 (c) 2 (d) 1
14
Feb
Number of metamers represented by molecular formula C4H10O is (a) 4 (b) 3 (c) 2 (d) 1 Number of metamers represented by molecular formula C4H10O is (a) 4 (b) 3 (c) 2 (d) 1 February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The ether that undergoes electrophilic substitution reactions is (a) CH3OC2H5 (b) C6H5OCH3 (c) CH3OCH3 (d) C2H5OC2H5
14
Feb
The ether that undergoes electrophilic substitution reactions is (a) CH3OC2H5 (b) C6H5OCH3 (c) CH3OCH3 (d) C2H5OC2H5 The ether that undergoes electrophilic substitution reactions is (a) CH3OC2H5 (b) C6H5OCH3 (c) CH3OCH3 (d) C2H5OC2H5 February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The radioactive series whose end product is 83 203 Bi is (a) Thorium series (b) Fourier series (c) Actinium series (d) Neptunium series
14
Feb
The radioactive series whose end product is 83 203 Bi is (a) Thorium series (b) Fourier series (c) Actinium series (d) Neptunium series The radioactive series whose end product is 83 203 Bi is (a) Thorium series (b) Fourier series (c) Actinium series (d) Neptunium series February 14, 2021 Category: Uncategorised (JEE Advanced Physics by [...]
Which of the following explains the viscous nature of glycerol (a) Covalent bonds (b) Hydrogen bonds (c) Vander Waal’s forces (d) Ionic forces
14
Feb
Which of the following explains the viscous nature of glycerol (a) Covalent bonds (b) Hydrogen bonds (c) Vander Waal’s forces (d) Ionic forces Which of the following explains the viscous nature of glycerol (a) Covalent bonds (b) Hydrogen bonds (c) Vander Waal's forces (d) Ionic forces February 14, 2021 Category: Uncategorised (JEE Advanced Physics by [...]