Chemistry questions
29404 published questions with worked solutions.
- In case of nitrogen, NCl_3 is possible but not NCl_5 while in case of phosphorous, PCl_3 as well as PCl_5 are possible. It is due...
- Number of sigma bonds in P_4O_ 10 is
- Most common oxidation states of Ce (cerium) are
- Arrange Ce^ +3 , La^ +3 , Pm^ +3 and Yb^ +3 in increasing order of their ionic radii
- Which of the following ions has the maximum magnetic moment ?
- Which is the correct order of ionic sizes ? (Atomic Number : Ce = 58, Sn = 50, Yb = 70 and Lu = 71)
- When KMnO_4 acts as an oxidising agent and ultimately forms [MnO_4]^ -1 , MnO_2, Mn_2O_3, Mn^ +2 then the number of electrons...
- A square planar complex is formed by hybridisation of which atomic orbitals ?
- The type of isomerism present in nitropentamine chromium (III) chloride is
- The most stable ion is
- CH_3-Mg-Br is an organo metallic compound due to
- The reaction: (CH_3)_3C-Br H_2O (CH_3)_3-C-OH
- On vigorous oxidation by permanganate solution (CH_3)_2C = CH - CH_2 - CHO gives
- CH_3CH_2COOH [ red P ] Cl_2 A alc. KOH B. What is B ?
- When primary amine reacts with chloroform in ethanoic KOH then the product is
- Polymer formation from monomers starts byNot in JEE Main or NEET syllabus
- The functional group, which is found in amino acid is
- 25ml of a solution of barrium hydroxide on titration with a 0.1 molar solution of hydrochloric acid gave a litre value of 35ml....
- The orbital angular momentum for an electron revolving in an orbit is given by l(l+1) h 2 . This momentum for an s-electron will...
- In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following...