Among the following pairs of ions, the lower oxidation state in aqueous solution is more stable than the other in
Options
(a) TI⁺ , TI³⁺ (b) Cu⁺ , Cu²⁺ (c) Cr²⁺ , Cr³⁺ […]
The most probable radius (in pm) for finding the electron in He⁺ is
Options
(a) 0 (b) 52.9 (c) 26.5 (d) 105.8
Correct Answer:
26.5
Explanation:
Most probable radius = a₀ / Z
where […]
Pyridine is less basic than triethylamine because
Options
(a) pyridine has aromatic character (b) nitrogen in pyridine is sp² hybridised (c) pyridine is a cyclic system (d) in pyridine, lone pair of nitrogen […]
Gibberellins can promote seed germination because of their influence on
Options
(a) rate of cell division (b) production of hydrolyzing enzymes (c) synthesis of abscisic acid (d) absorption of water through hard seed […]
One of the exsitu conservation methods for endangered species is
Options
(a) wildlife sanctuaries (b) biosphere reserves (c) cryopreservation (d) National parks
Correct Answer:
cryopreservation
Explanation:
No explanation available. Be the first to […]
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