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

Which of the following easily undergo nucleophilic substitution by SN 1 mechanism in butanol (a) C6H5CH2Br (b) BrCH2CH = CH2 (c) (CH3)3CBr (d) (CH3)3CCH2Br Which of the following easily undergo nucleophilic substitution by SN 1 mechanism in butanol (a) C6H5CH2Br (b) BrCH2CH = CH2 (c) (CH3)3CBr (d) (CH3)3CCH2Br February 9, 2021 Category: Uncategorised (JEE Advanced [...]

If the unit cel.l of a mineral has cubioc closed packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n , respectively , are The packing efficiency of the two dimensional square unit cell shown below [...]

A metal crystallizes in a face centred cubic structure . If the edge length of its unit cell is ‘a’ , the closest approach between two atoms in metallic crystal will be A metal crystallizes in a face centred cubic structure . If the edge length of its unit cell is 'a' the closest approach [...]

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) ,

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 [...]