The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m, the kinetic energy of a proton, which is accelerated by the cyclotron is
Options
(a) 10.2 […]
Which of the following exists as zwitter ion
Options
(a) p-Aminophenol (b) Sulphanilic acid (c) Salicylic acid (d) Ethanolamine
Correct Answer:
Sulphanilic acid
Explanation:
No explanation available. Be the first to write the […]
Which of the following metal is not manufactured by electrolysis
Options
(a) Na (b) Mg (c) Al (d) Fe
Correct Answer:
Fe
Explanation:
No explanation available. Be the first to write the explanation […]
In the complex with formula MCl₃.4H₂O, the coordination number of the metal M is six and there is no molecule of hydration in it. The volume of 0.1 M AgNO₃ solution needed to precipitate the […]
Which of the following pairs of transition metal ions are the stronger oxidising agents in aqueous solution
Options
(a) V²⁺ and Cr²⁺ (b) Ti²⁺ and Cr²⁺ (c) Mn³⁺ and Co³⁺ (d) V²⁺ and […]
Pick out the stronger reducing agent among the following oxyacids of phosphorus
Options
(a) hypophosphorous acid (b) phosphorous acid (c) hypophosphoric acid (d) pyrophosphorous acid
Correct Answer:
hypophosphorous acid
Explanation:
Reducing agent reduces […]
The method not used in metallurgy to refine the impure metal is
Options
(a) Mond’s process (b) Van-Arkel process (c) Amalgamation process (d) Liquation
Correct Answer:
Amalgamation process
Explanation:
No explanation available. Be […]
Shape-selective catalysis is a reaction catalysed by
Options
(a) zeolites (b) enzymes (c) platinum (d) Zeigler-Natta catalyst
Correct Answer:
zeolites
Explanation:
Zeolit is a most widely studied shape selective catalyst. Shape selectivity of […]
Which one of the following statements is true, if half-life of a radioactive substance is 1 month?
Options
(a) 7/8th part of the substance will disintegrate in 3 months (b) 1/8th part of […]
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-butanol
Explanation:
No explanation available. Be the first to write the explanation for this […]
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