ChemiHacks

22/04/2023

Eid Mubarak to all the muslims around the globe ♥️

19/04/2023

Formaldehyde reacts with Grignard’s reagent to give addition products which on hydrolysis give ??
a. tertiary alcohols
b. secondary alcohols
c. primary alcohols
d. carboxylic acids

18/04/2023

What is the test to differentiate between penta-2-one and pentan-3-one?
(a) Iodoform test
(b) Benedict’s test
(c) Fehling’s test
(d) Aldol condensation test

18/04/2023

Among the following which arc ambidentate ligands?
(i) SCN– (ii) NO−3
(iii) NO−2 (iv) C2O2−4

18/04/2023

18/04/2023

What is the geometry of [Ni(CN)4]2??

18/04/2023

The number of possible isomers for the complex [Co(C2O4)2 (NH3)2] ??
(a) 1 (b) 2
(c) 3 (d) 4

18/04/2023

The product of hydrolysis of ozonide of 1-butene are ??
(a) ethanol only
(b) ethanal and methanal
(c) propanal and methanal
(d) methanal only

18/04/2023

Which of the following reactions follows Markovnikov’s rule?
(a) C2H4 + HBr
(b) C3H6 + Cl6
(c) C3H6 + HBr
(d) C3H6 + Br2

15/04/2023

Phenol is less acidic than ______________.
(i) ethanol
(ii) o-nitrophenol
(iii) o-methylphenol
(iv) o-methoxyphenol

15/04/2023

In a dry cell, which of the following is the electrolyte?
a) Potassium hydroxide
b) Sulphuric acid
c) Ammonium chloride
d) Manganese dioxide