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CsCl crystallizes in body centred cubic lattice . If ‘a’ its edge length then which of the following expression is correct (a) rcs + rcl^- = 3a (b) rcs + rcl^- = 3a/2 (c) rcs +rcl^- = root 3 /2a (d) rcs + rcl^- = root 3a The packing efficiency of the two dimensional square [...]

The IUPAC name(s) of the following compound is (are) (a) 4-methylchlorobenzene (b) 4-chlorotoluene (c) 1-chloro-4-methylbenzene (d) 1-methyl-4-chlorobenzene The IUPAC name(s) of the following compound is (are) (a) 4-methylchlorobenzene (b) 4-chlorotoluene (c) 1-chloro-4-methylbenzene (d) 1-methyl-4-chlorobenzene February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The products of reaction of alcoholic silver nitrate with ethyl bromide are (a) Ethane (b) Ethene (c) Nitroethane (d) Ethyl alcohol (e) Ethyl nitrite The products of reaction of alcoholic silver nitrate with ethyl bromide are (a) Ethane (b) Ethene (c) Nitroethane (d) Ethyl alcohol (e) Ethyl nitrite February 9, 2021 Category: Uncategorised (JEE Advanced [...]

The compounds used as refrigerant are (a) NH3 (b) CCl4 (c) CF4 (d) CF2Cl2 (e) CH2F2 The compounds used as refrigerant are (a) NH3 (b) CCl4 (c) CF4 (d) CF2Cl2 (e) CH2F2 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following is an example of covalent crystal solid (a) Si (b) NaF (c) Al (d) Ar Which of the following is an example of covalent crystal solid (a) Si (b) NaF (c) Al (d) Ar February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The dimensions of electrical conductivity is…………… The dimensions of electrical conductivity is............... February 9, 2021 Category: Chapter 5 - Rotational Motion , JEE Mains Physics 2002-2019 Solved Video Solutions ,

Experimentally it was found that a metal oxide has formula M0.98O. Metal M, present as M^2+ and M^3+ in its oxide. Fraction of the metal which exists as M^3+ would be Experimentally it was found that a metal oxide has formula M0.98O. Metal M present as M^2+ and M^3+ in its oxide. Fraction of the [...]

A compound MpXq has cubic close packing arrangement of X . Its unit cell structure is shown below . The empirical formula of the compound is A compound MpXq has cubic close packing arrangement of X . Its unit cell structure is shown below . The empirical formula of the compound is February 9, 2021 [...]

Aryl halide are less reactive towards nucleophilic substitution reaction as compared to alkyl halide due to (a) The formation of less stable carbonium ion (b) Resonance stablization Aryl halide are less reactive towards nucleophilic substitution reaction as compared to alkyl halide due to (a) The formation of less stable carbonium ion (b) Resonance stablization February [...]

Arrange the following bonds according to their average bond energies in descending order C-Cl, C-Br, C-F, C-I Arrange the following bonds according to their average bond energies in descending order C-Cl C-Br C-F C-I February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,