The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m, the kinetic…
6 years ago
KL2008
Which of the following exists as zwitter ion
Which of the following exists as zwitter ion Options (a) p-Aminophenol (b) Sulphanilic acid (c) Salicylic acid (d) Ethanolamine Correct…
6 years ago
Which of the following metal is not manufactured by electrolysis
Which of the following metal is not manufactured by electrolysis Options (a) Na (b) Mg (c) Al (d) Fe Correct…
6 years ago
In the complex with formula MCl₃.4H₂O, the coordination number of the metal M
In the complex with formula MCl₃.4H₂O, the coordination number of the metal M is six and there is no molecule…
6 years ago
Which of the following pairs of transition metal ions are the stronger oxidisi
Which of the following pairs of transition metal ions are the stronger oxidising agents in aqueous solution Options (a) V²⁺…
6 years ago
Pick out the stronger reducing agent among the following oxyacids of phosphorus
Pick out the stronger reducing agent among the following oxyacids of phosphorus Options (a) hypophosphorous acid (b) phosphorous acid (c)…
6 years ago
The method not used in metallurgy to refine the impure metal is
The method not used in metallurgy to refine the impure metal is Options (a) Mond's process (b) Van-Arkel process (c)…
6 years ago
Shape-selective catalysis is a reaction catalysed by
Shape-selective catalysis is a reaction catalysed by Options (a) zeolites (b) enzymes (c) platinum (d) Zeigler-Natta catalyst Correct Answer: zeolitesExplanation:Zeolit…
6 years ago
Which one of the following statements is true, if half-life of a radioactive substance
Which one of the following statements is true, if half-life of a radioactive substance is 1 month? Options (a) 7/8th…
6 years ago
The hydrolysis of 2-bromo-3-methylbutane by SN1mechanism gives mainly
The hydrolysis of 2-bromo-3-methylbutane by SN1mechanism gives mainly Options (a) 3-methyl-2-butanol (b) 2-methyl-2-butanol (c) 2,2-dimethyl-2-propanol (d) 2-methyl-1-butanol Correct Answer: 2-methyl-2-butanolExplanation:No…
6 years ago