NEET questions
18092 published questions with worked solutions.
- Which one of the following is an ambidentate ligand?
- The correct order of increasing metallic character of Na, Be, P, Mg and Si is
- Although +3 oxidation state is most common in lanthanoids, cerium still shows +4 oxidation state because:
- Match **List I** with **List II** : **List I (Complex/ion)** A. [Pt(Cl_2)(NH_3)_2] B. [Co(NH_3)_6]Cl_3 C. [NiCl_4]^ 2- D....
- The functional group that can be identified through phthalein dye test is :
- Identify the correct statements : (A) The molality of 2.5 g of ethanoic acid (Molar mass : 60 g mol^ -1 ) in 75 g of benzene...
- During Lassaigne's test, the elements present in an organic compound are converted from :
- A solution of copper sulphate is electrolysed for 10 minutes with a current of 1.5 amperes. The mass of copper deposited at...
- Identify the correct statement about ClF_3 from the following options :
- In a test tube containing a salt, a few drops of dilute H_2SO_4 was added, which gave colourless vapours having the smell of...
- At 298 K, a certain buffer solution contains equal concentrations of X^- and HX, K_b for X^- is 10^ -10 . What is the pH of this...
- Calculate emf of the half cell given below : Pt(s) | H_2(g, 2 atm) | HCl(aq, 0.02 M) E^ _ H_2/H^+ = 0 V (Given: 2.303RT F =...
- The calculated 'spin-only' magnetic moment Ti^ 2+ (3d^2) is :
- Phenolphthalein is used as an indicator for the titration of sodium hydroxide solution against a standard solution of oxalic...
- Given below is an expression for the rate constant of a first-order reaction occurring at a certain temperature, T (K). k = 14.34...
- Given below are certain reactions. Identify the reaction for which K_P K_C.
- Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to :
- In angiosperms, root hairs arise from which one of the following regions of the root?
- In which one of the following, the ovules are not enclosed by an ovary wall and remain exposed?
- Exploring molecular, genetic and species-level diversity for products of economic importance is called