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

A solid compoiund contaoins X, Y and Z atoms in a cubic lattice with X atoms occupying the corners , Y atoms in the body centred positions and Z atoms at the centre of the faces of the unit cell. what is the empirical formula of the compound A solid compoiund contaoins X Y and [...]

Which one of the following is the correct formula of dichlorodiphenyl trichloroethane Which one of the following is the correct formula of dichlorodiphenyl trichloroethane February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Freon (dichlorodifluoro methane) is used (a) As local anaesthetic (b) For dissolving impurities in metallurgical process (c) In refrigerator (d) In printing industry Freon (dichlorodifluoro methane) is used (a) As local anaesthetic (b) For dissolving impurities in metallurgical process (c) In refrigerator (d) In printing industry February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]

Consider the reaction CH3CH2CH2Br + NaCN to CH3CH2CH2CN + NaBr This reaction will be the fastest in (a) Water (b) Ethanol (c) Methanol (d) N, N’-dimethylformamide (DMF) Consider the reaction CH3CH2CH2Br + NaCN to CH3CH2CH2CN + NaBr This reaction will be the fastest in (a) Water (b) Ethanol (c) Methanol (d) N N'-dimethylformamide (DMF) February [...]

Structure of NaCl crystal is (a) Face centred cubic (b) Monoclinic (c) Orthorhombic (d) Tetragonal Structure of NaCL crystal is (a) Face centred cubic (b) Monoclinic (c) Orthorhombic (d) Tetragonal February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In which of the following compounds, the C – Cl bond ionisation shall give most stable carbonium ion In which of the following compounds the C - Cl bond ionisation shall give most stable carbonium ion February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following reactions(s) can be used for the preparation of alkyl halides (A) CH3CH2OH + HCl (B) CH3CH2OH + HCl (C) (CH3)3 COH + HCl Which of the following reactions(s) can be used for the preparation of alkyl halides (A) CH3CH2OH + HCl (B) CH3CH2OH + HCl (C) (CH3)3 COH + HCl February [...]

Assertion : is less reactive than towards reactions. Reason : Tertiary alkyl halides react predominantly by S N1 mechanism. Assertion : is less reactive than towards reactions. Reason : Tertiary alkyl halides react predominantly by S N1 mechanism. February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

What is the coordination number of sodium in Na2O2 (a) 6 (b) 4 (c) 8 (d) 2 What is the coordination number of sodium in Na2O2 (a) 6 (b) 4 (c) 8 (d) 2 February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Assertion : Alkyl halides form alkenes when heated above 300 C. Reason : CH3CH2I react slowly with strong base when compared to CD3CH2I. Assertion : Alkyl halides form alkenes when heated above 300 C. Reason : CH3CH2I react slowly with strong base when compared to CD3CH2I. February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]