1. Sc (Z = 21) is a transition element but Zn (Z = 30) is not because element b (NEET 2013)(a) both Sc3+ and Zn2+ ions are colourless and form…
1. The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is …
1. Identify the incorrect match. Name IUPAC Official Name (NEET 2020) (A) Unnilunium (i) Mendelevium(B) Unniltrium (ii) Lawrencium(C) Unnilhexium (iii) Seaborgium(D) Unununnium (iv) Darmstadtium(a) (A), (i) (b) (B), (ii)(c) (C),…
1. Among the following, the narrow spectrum antibiotic is (NEET 2019) (a) Chloramphenicol (b) penicillin G (c) Ampicillin (d) amoxicillin. Chemistry Notes Download Physics Notes Download Biology Notes…
1. For the chemical reaction, N2(g) + 3H2(g) ⇌ 2NH3(g) the correct option is (NEET 2019)(a) (b) (c) (d) NEET-UG 2015 Chemistry Question Paper with Answer Key NEET-UG 2014 Chemistry…
1. The number of sigma (σ) and pi (π) bonds in pent-2-en-4-yne is(a) 13 σ bonds and no π bond(b) 10 σ bonds and 3 π bonds(c) 8 σ bonds…