19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following orders of ionic radii is correctly represented? [AIPMT 2014]
The lUPAC name of an element with atomic number 119 is (NEET 2022)
Identify the wrong statement in the following (AIPMT 2012)
The elements ‘X’, ‘Y’, and ‘Z’ form oxides which are acidic, basic, and amphoteric respectively. The correct order of their electronegativity is
The electronic configuration of an element is 1s ,2s 2p ,3s 3p 3d ,4s 4p 4d ,5s 5p . From which group of the period table, it belongs ? (KCET 2012)
Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for C, Ca, Al, F and O? (NEET 2013)
Mg and Li are similar in their properties due to (VMMC 2010)
The increasing order of the density of alkali metal is (Kerala CEE 2011)
The electronegativity of the following elements increases in the order [AFMC 2011]
Amongst the following, select the element having highest ionisation enthalpy. (MHT CET 2014)
Which two elements in the Periodic Table would you expect to combine in the most violent fashion? (Kerala CEE 2008)
Element with atomic number 38, belongs to (MP PMT 2008)
Diagonal relationship is not shown by (BHU 2008)
The discovery of which of the following group of elements gave a death blow to Newland’s law of octaves? (Manipal 2008)
Which of the following is the second most electronegative element?
Increase in atomic size down the group is due to (JCECE 2008)
Which represents the correct order of the first ionization potential of third-period elements? (AFMC 2009)
The stability of +1 oxidation state among Al, Ga, In and TI increases in the sequence (AIPMT 2015)
Ionization potential for a noble gas is
The highest first ionization potential is of
Ionisation energy decreases down the group due to
A neutral atom will have the lowest ionization potential when electronic configuration is
The correct order in which the first ionization potential increases is
The element with the lowest ionization potential is
Which of the following has the lowest ionization energy?