The most common type of reaction in aromatic compounds is
The most common type of reaction in aromatic compounds is Options (a) elimination reaction (b) addition reaction (c) electrophilic substitution…
6 years ago
OA2003
Who coined the term ecosystem?
Who coined the term ecosystem? Options (a) Ernst Haeckel (b) Charles Elton (c) E. P. Odum (d) A. G. Tansley…
6 years ago
Cyclopentadienyl anion is
Cyclopentadienyl anion is Options (a) aromatic (b) non-aromatic (c) non-planar (d) aliphatic Correct Answer: aromaticExplanation:No explanation available. Be the first…
6 years ago
Which of the following is a strong acid
Which of the following is a strong acid Options (a) HF (b) HCl (c) HBr (d) HI Correct Answer: HIExplanation:No…
6 years ago
The unit of second order reaction rate constant is
The unit of second order reaction rate constant is Options (a) L⁻¹ mol s⁻¹ (b) L² mol⁻² s⁻¹ (c) L…
6 years ago
The standard emf for the cell reaction, 2Cu⁺(aq) → Cu(s) + Cu²⁺(aq)
The standard emf for the cell reaction, 2Cu⁺(aq) → Cu(s) + Cu²⁺(aq) is +0.36 V at 298 K. The equilibrium…
6 years ago
The pH of gastric juice is
The pH of gastric juice is Options (a) 2.0 - 3.0 (b) 2.6 - 6.8 (c) 3.7 - 8.5 (d)…
6 years ago
Which of the following components of blood does not enter into the nephron?
Which of the following components of blood does not enter into the nephron? Options (a) water (b) plasma protein (c)…
6 years ago
The triplet UUU codes for
The triplet UUU codes for Options (a) leucine (b) methionine (c) phenylalanine (d) glycine Correct Answer: phenylalanineExplanation:No explanation available. Be…
6 years ago
The concept on the origin of species by means of Natural Selection was first
The concept on the origin of species by means of Natural Selection was first published in Options (a) 1859 (b)…
6 years ago